biology 30 the endocrine system. 2 comparison of nervous system and endocrine system long lasting...
TRANSCRIPT
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Biology 30Biology 30The Endocrine SystemThe Endocrine System
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Comparison of Nervous System Comparison of Nervous System and Endocrine Systemand Endocrine System
Long lastingLong lastingLasts a short whileLasts a short while
Slow actingSlow actingFast actingFast acting
Hormones travel Hormones travel through blood to their through blood to their
targettarget
Direct Direct
cell to cell cell to cell communicationcommunication
Produces Produces
hormoneshormones
Produces Produces neurotransmittersneurotransmitters
Endocrine SystemEndocrine SystemNervous SystemNervous System
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General Things to KnowGeneral Things to Know
Endocrine = Hormone SystemEndocrine = Hormone System Hormones are chemicals produced in Hormones are chemicals produced in
minute amountsminute amountsAll hormones in body together weigh less All hormones in body together weigh less
than 5 ounces.than 5 ounces.
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General Things to KnowGeneral Things to Know
Control the Control the slowslow processes in our bodies processes in our bodies Rate of growthRate of growth MetabolismMetabolism Development before birthDevelopment before birth Pregnancy, birth process, lactationPregnancy, birth process, lactation Initiation of puberty & sexual maturityInitiation of puberty & sexual maturity Storing & breakdown of foodStoring & breakdown of food Maintaining water & mineral levelsMaintaining water & mineral levels
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General Things to KnowGeneral Things to Know
Hormones are chemical messengersHormones are chemical messengers Produced in a glandProduced in a gland Travel through the Travel through the blood streamblood stream Act on a “Act on a “targettarget” cell.” cell.
Hormones are created in glands called Hormones are created in glands called ENDOCRINEENDOCRINE glands (“ductless glands”) glands (“ductless glands”)
Because the glands secrete into the blood Because the glands secrete into the blood stream, not into a body cavity (stream, not into a body cavity (exocrineexocrine).).
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Types of HormonesTypes of Hormones
1.1. Local HormonesLocal Hormones• NotNot typical hormones typical hormones• Act immediately on area near secretionAct immediately on area near secretion• Action is local and rapidAction is local and rapid• Example = histaminesExample = histamines
Released by tissues when affected by a Released by tissues when affected by a foreign substance… pollen…foreign substance… pollen…
Increases blood flow and fluid leaks into Increases blood flow and fluid leaks into tissuestissues
Inflammation, redness, swellingInflammation, redness, swelling
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Types of HormonesTypes of Hormones
2.2. Circulating HormonesCirculating Hormones• Typical Typical • Produced by endocrine glandsProduced by endocrine glands• Travel through blood Travel through blood • To target cellTo target cell• Combine with receptor on or in the target Combine with receptor on or in the target
cellcell Receptor site is either on the membrane or in Receptor site is either on the membrane or in
cytoplasmcytoplasm Initiates a change in the target cellInitiates a change in the target cell
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Chemical Structure of HormonesChemical Structure of Hormones
We are concerned with 2 typesWe are concerned with 2 types1.1. Protein or Peptide HormonesProtein or Peptide Hormones
• Made up of peptide chains or long proteinsMade up of peptide chains or long proteins• Water soluble / lipid insolubleWater soluble / lipid insoluble• Cannot cross phospholipid bilayerCannot cross phospholipid bilayer• Includes hormones from Includes hormones from
1.1. HypothalamusHypothalamus2.2. PituitaryPituitary3.3. PancreasPancreas
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2.2. Steroid HormonesSteroid Hormones• Chemically related to cholesterolChemically related to cholesterol• Water insoluble / lipid solubleWater insoluble / lipid soluble• Can pass right through the cell membraneCan pass right through the cell membrane• Includes Includes
Sex hormonesSex hormones ThyroxinThyroxin Hormones from the adrenal cortexHormones from the adrenal cortex
Chemical Structure of Hormones
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Anatomy of the Anatomy of the Endocrine SystemEndocrine System
Its time for a sensational Its time for a sensational multi-media event!multi-media event!
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Lipid Soluble HormoneLipid Soluble Hormone
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Lipid Insoluble HormoneLipid Insoluble Hormone
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Anatomy of the Endocrine System Anatomy of the Endocrine System AssignmentAssignment
IdentifyIdentify the following endocrine glands the following endocrine glands on a diagram of a human and on a diagram of a human and identifyidentify the major hormones produced by that the major hormones produced by that gland:gland:Anterior pituitaryAnterior pituitary
Posterior pituitaryPosterior pituitary
Pineal GlandPineal Gland
ThyroidThyroid
ParathyroidParathyroid
ThymusThymus
StomachStomach
DuodenumDuodenum
Adrenal GlandsAdrenal Glands
Pancreas Pancreas
Islets of LangerhansIslets of Langerhans
Gonads Gonads
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Let’s zoom in on the head.Let’s zoom in on the head.
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Anatomy of the Endocrine SystemAnatomy of the Endocrine System
HypothalamusHypothalamus hormones produced here are secreted hormones produced here are secreted
into the blood through the into the blood through the posterior posterior pituitarypituitary..
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Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
PosteriorPituitary
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2323
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
PosteriorPituitary
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2424
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocin
PosteriorPituitary
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2525
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
PosteriorPituitary
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2626
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
HypothalamusHypothalamus
(Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
Uterine Uterine contractioncontraction, ,
milk milk secretionsecretion
PosteriorPituitary
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2727
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
Uterine Uterine contractioncontraction, ,
milk milk secretionsecretion
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
PosteriorPituitary
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2828
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
Uterine Uterine contractioncontraction, ,
milk milk secretionsecretion
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
ADHADH
PosteriorPituitary
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2929
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
Uterine Uterine contractioncontraction, ,
milk milk secretionsecretion
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
ADHADH KidneyKidney
PosteriorPituitary
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3030
Source = HypothalamusSource = Hypothalamus
SourceSource HormoneHormone TargetTarget EffectEffect
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
OxytocinOxytocinUterusUterus,,
MammaryMammary
Uterine Uterine contractioncontraction, ,
milk milk secretionsecretion
Hypothalamus Hypothalamus (Posterior (Posterior Pituitary)Pituitary)
ADHADH KidneyKidney Water Water reabsorptionreabsorption
PosteriorPituitary
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3131
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. Pituitary
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3333
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
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3434
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral
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3535
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral Stimulates Stimulates body growthbody growth
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3636
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral Stimulates Stimulates body growthbody growth
Ant. PituitaryAnt. Pituitary
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3737
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral Stimulates Stimulates body growthbody growth
Ant. PituitaryAnt. PituitaryTThyroid hyroid
SStimulating timulating HHormoneormone
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3838
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral Stimulates Stimulates body growthbody growth
Ant. PituitaryAnt. PituitaryTThyroid hyroid
SStimulating timulating HHormoneormone
ThyroidThyroid
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3939
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. PituitaryAnt. PituitaryGGrowth rowth
HHormone ormone (somatotropin)(somatotropin)
GeneralGeneral Stimulates Stimulates body growthbody growth
Ant. PituitaryAnt. PituitaryTThyroid hyroid
SStimulating timulating HHormoneormone
ThyroidThyroid
Stimulates Stimulates release of release of thyroxine thyroxine
from thyroidfrom thyroid
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4040
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
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4141
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
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4242
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
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4343
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
Stimulates Stimulates “Stress” “Stress”
Hormone Hormone ReleaseRelease
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4444
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
Stimulates Stimulates “Stress” “Stress”
Hormone Hormone Release Release CortisolCortisol
Ant. Ant. PituitaryPituitary
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4545
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
Stimulates Stimulates “Stress” “Stress”
Hormone Hormone ReleaseRelease
CortisolCortisol
Ant. Ant. PituitaryPituitary ProlactinProlactin
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4646
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
Stimulates Stimulates “Stress” “Stress”
Hormone Hormone Release Release CortisolCortisol
Ant. Ant. PituitaryPituitary ProlactinProlactin MammaryMammary
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4747
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Adreno-Adreno-corticotropic corticotropic
HormoneHormone
ACTHACTH
Adrenal Adrenal CortexCortex
Stimulates Stimulates “Stress” “Stress”
Hormone Hormone Release Release CortisolCortisol
Ant. Ant. PituitaryPituitary ProlactinProlactin MammaryMammary
Milk Milk production & production &
SecretionSecretion
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4848
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
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4949
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
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5050
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
![Page 51: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/51.jpg)
5151
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
Growth of Growth of ovarian ovarian folliclefollicle, ,
Production of Production of SpermSperm
![Page 52: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/52.jpg)
5252
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
Growth of Growth of ovarian ovarian folliclefollicle, ,
Production of Production of SpermSperm
Ant. Ant. PituitaryPituitary
![Page 53: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/53.jpg)
5353
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
Growth of Growth of ovarian ovarian folliclefollicle, ,
Production of Production of SpermSperm
Ant. Ant. PituitaryPituitary
Luteinizing Luteinizing HormoneHormone
LHLH
![Page 54: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/54.jpg)
5454
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
Growth of Growth of ovarian ovarian folliclefollicle, ,
Production of Production of SpermSperm
Ant. Ant. PituitaryPituitary
Luteinizing Luteinizing HormoneHormone
LHLH
OvaryOvary & & TestesTestes
![Page 55: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/55.jpg)
5555
Source = Anterior PituitarySource = Anterior Pituitary
SourceSource HormoneHormone TargetTarget EffectEffect
Ant. Ant. PituitaryPituitary
Follicle Follicle Stimulating Stimulating HormoneHormone
FSHFSH
OvaryOvary & & TestesTestes
Growth of Growth of ovarian ovarian folliclefollicle, ,
Production of Production of SpermSperm
Ant. Ant. PituitaryPituitary
Luteinizing Luteinizing HormoneHormone
LHLH
OvaryOvary & & TestesTestes
Stimulates Stimulates ovulationovulation, ,
production of production of testosteronetestosterone
![Page 56: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/56.jpg)
![Page 57: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/57.jpg)
![Page 58: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/58.jpg)
5858
Source = Pineal GlandSource = Pineal Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Pineal Pineal GlandGland
![Page 59: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/59.jpg)
5959
Source = Pineal GlandSource = Pineal Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Pineal Pineal GlandGland MelatoninMelatonin
![Page 60: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/60.jpg)
6060
Source = Pineal GlandSource = Pineal Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Pineal Pineal GlandGland MelatoninMelatonin GeneralGeneral
![Page 61: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/61.jpg)
6161
Source = Pineal GlandSource = Pineal Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Pineal Pineal GlandGland MelatoninMelatonin GeneralGeneral
Biorhythms Biorhythms
(sleep vs. wake) (sleep vs. wake)
(summer vs. winter)(summer vs. winter)
Length of daysLength of days
![Page 62: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/62.jpg)
![Page 63: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/63.jpg)
6363
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland
![Page 64: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/64.jpg)
6464
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland ThyroxinThyroxin
![Page 65: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/65.jpg)
6565
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland ThyroxinThyroxin GeneralGeneral
![Page 66: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/66.jpg)
6666
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland ThyroxinThyroxin GeneralGeneral
Stimulates Stimulates metabolism, metabolism,
growth, growth, developmentdevelopment
![Page 67: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/67.jpg)
6767
![Page 68: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/68.jpg)
6868
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland
![Page 69: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/69.jpg)
6969
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin
![Page 70: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/70.jpg)
7070
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
![Page 71: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/71.jpg)
7171
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
Lowers calcium Lowers calcium levels by levels by
inhibiting bone inhibiting bone breakdownbreakdown
![Page 72: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/72.jpg)
7272
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
Lowers calcium Lowers calcium levels by levels by
inhibiting bone inhibiting bone breakdownbreakdown
Parathyroid Parathyroid GlandGland
![Page 73: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/73.jpg)
7373
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
Lowers calcium Lowers calcium levels by levels by
inhibiting bone inhibiting bone breakdownbreakdown
Parathyroid Parathyroid GlandGland
Parathyroid Parathyroid HormoneHormone
![Page 74: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/74.jpg)
7474
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
Lowers calcium Lowers calcium levels by levels by
inhibiting bone inhibiting bone breakdownbreakdown
Parathyroid Parathyroid GlandGland
Parathyroid Parathyroid HormoneHormone BoneBone
![Page 75: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/75.jpg)
7575
Source = Thyroid GlandSource = Thyroid Gland
SourceSource HormoneHormone TargetTarget EffectEffect
Thyroid Thyroid GlandGland CalcitoninCalcitonin BoneBone
Lowers calcium Lowers calcium levels by levels by
inhibiting bone inhibiting bone breakdownbreakdown
Parathyroid Parathyroid GlandGland
Parathyroid Parathyroid HormoneHormone BoneBone
Raises calcium Raises calcium levels by levels by
stimulating bone stimulating bone breakdownbreakdown
![Page 76: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/76.jpg)
![Page 77: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/77.jpg)
![Page 78: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/78.jpg)
7878
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex
![Page 79: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/79.jpg)
7979
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone
![Page 80: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/80.jpg)
8080
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney
![Page 81: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/81.jpg)
8181
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney Reabsorbs Reabsorbs
sodium and watersodium and water
![Page 82: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/82.jpg)
8282
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney Reabsorbs Reabsorbs
sodium and watersodium and water
Adrenal Adrenal CortexCortex
![Page 83: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/83.jpg)
8383
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney Reabsorbs Reabsorbs
sodium and watersodium and water
Adrenal Adrenal CortexCortex CortisolCortisol
![Page 84: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/84.jpg)
8484
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney Reabsorbs Reabsorbs
sodium and watersodium and water
Adrenal Adrenal CortexCortex CortisolCortisol GeneralGeneral
![Page 85: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/85.jpg)
8585
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal CortexCortex AldosteroneAldosterone KidneyKidney Reabsorbs Reabsorbs
sodium and watersodium and water
Adrenal Adrenal CortexCortex CortisolCortisol GeneralGeneral
StimulatesStimulates
Glucose ReleaseGlucose Release
Long term stressLong term stress
![Page 86: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/86.jpg)
8686
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
![Page 87: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/87.jpg)
![Page 88: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/88.jpg)
8888
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)
![Page 89: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/89.jpg)
8989
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
![Page 90: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/90.jpg)
9090
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
Stimulates Stimulates Glucose releaseGlucose release
Short term stressShort term stress
![Page 91: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/91.jpg)
9191
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
Stimulates Stimulates Glucose releaseGlucose release
Short term stressShort term stress
Adrenal Adrenal MedullaMedulla
![Page 92: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/92.jpg)
9292
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
Stimulates Stimulates Glucose releaseGlucose release
Short term stressShort term stress
Adrenal Adrenal MedullaMedulla
Norepinephrine Norepinephrine (noradrenalin)(noradrenalin)
![Page 93: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/93.jpg)
9393
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
Stimulates Stimulates Glucose releaseGlucose release
Short term stressShort term stress
Adrenal Adrenal MedullaMedulla
Norepinephrine Norepinephrine (noradrenalin)(noradrenalin)
General General HeartHeart
![Page 94: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/94.jpg)
9494
Source = Adrenal GlandsSource = Adrenal Glands
SourceSource HormoneHormone TargetTarget EffectEffect
Adrenal Adrenal MedullaMedulla
EpinephrineEpinephrine
(Adrenalin)(Adrenalin)Liver & Liver & MuscleMuscle
Stimulates Stimulates Glucose releaseGlucose release
Short term stressShort term stress
Adrenal Adrenal MedullaMedulla
Norepinephrine Norepinephrine (noradrenalin)(noradrenalin)
General General HeartHeart
Constrict BloodConstrict Blood
VesselsVessels
Increase Heart Increase Heart RateRate
![Page 95: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/95.jpg)
![Page 96: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/96.jpg)
9696
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
![Page 97: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/97.jpg)
9797
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin
![Page 98: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/98.jpg)
9898
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
![Page 99: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/99.jpg)
9999
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
Lowers blood Lowers blood glucose levels glucose levels
Stimulates uptake Stimulates uptake of glucose into of glucose into
cellscells
![Page 100: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/100.jpg)
100100
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
Lowers blood Lowers blood glucose levels glucose levels
Stimulates uptake Stimulates uptake of glucose into of glucose into
cellscells
Pancreas Pancreas Alpha Cells Alpha Cells of Islets of of Islets of
LangerhansLangerhans
![Page 101: Biology 30 The Endocrine System. 2 Comparison of Nervous System and Endocrine System Long lasting Lasts a short while Slow acting Fast acting Hormones](https://reader036.vdocuments.us/reader036/viewer/2022070308/551c4cfb550346a5458b4b41/html5/thumbnails/101.jpg)
101101
Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
Lowers blood Lowers blood glucose levels glucose levels
Stimulates uptake Stimulates uptake of glucose into of glucose into
cellscells
Pancreas Pancreas Alpha Cells Alpha Cells of Islets of of Islets of
LangerhansLangerhans
GlucagonGlucagon
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Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
Lowers blood Lowers blood glucose levels glucose levels
Stimulates uptake Stimulates uptake of glucose into of glucose into
cellscells
Pancreas Pancreas Alpha Cells Alpha Cells of Islets of of Islets of
LangerhansLangerhans
GlucagonGlucagonLiver & Liver & Fatty Fatty
TissueTissue
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Source = PancreasSource = Pancreas
SourceSource HormoneHormone TargetTarget EffectEffect
Pancreas Pancreas Beta Cells Beta Cells of Islets of of Islets of
LangerhansLangerhans
InsulinInsulin GeneralGeneral
Lowers blood Lowers blood glucose levels glucose levels
Stimulates uptake Stimulates uptake of glucose into of glucose into
cellscells
Pancreas Pancreas Alpha Cells Alpha Cells of Islets of of Islets of
LangerhansLangerhans
GlucagonGlucagonLiver & Liver & Fatty Fatty
TissueTissue
Raises blood Raises blood glucose levels by glucose levels by stimulating liver to stimulating liver to convert glycogen convert glycogen back into glucoseback into glucose
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogen
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
Develop & Maintain Develop & Maintain secondary female secondary female characteristics characteristics
Growth of uterine Growth of uterine lininglining
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
Develop & Maintain Develop & Maintain secondary female secondary female characteristics characteristics
Growth of uterine Growth of uterine lininglining
OvaryOvary
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
Develop & Maintain Develop & Maintain secondary female secondary female characteristics characteristics
Growth of uterine Growth of uterine lininglining
OvaryOvary ProgesteroneProgesterone
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
Develop & Maintain Develop & Maintain secondary female secondary female characteristics characteristics
Growth of uterine Growth of uterine lininglining
OvaryOvary ProgesteroneProgesterone UterusUterus
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Source = OvarySource = Ovary
SourceSource HormoneHormone TargetTarget EffectEffect
OvaryOvary EstrogenEstrogenGeneralGeneral
UterusUterus
Develop & Maintain Develop & Maintain secondary female secondary female characteristics characteristics
Growth of uterine Growth of uterine lininglining
OvaryOvary ProgesteroneProgesterone UterusUterusPromotes continued Promotes continued
growth of uterine growth of uterine lininglining
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Source = TestesSource = Testes
SourceSource HormoneHormone TargetTarget EffectEffect
TestesTestes
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Source = TestesSource = Testes
SourceSource HormoneHormone TargetTarget EffectEffect
TestesTestes TestosteroneTestosterone
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Source = TestesSource = Testes
SourceSource HormoneHormone TargetTarget EffectEffect
TestesTestes TestosteroneTestosterone
General & General & Reprod-Reprod-uctive uctive
StructuresStructures
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Source = TestesSource = Testes
SourceSource HormoneHormone TargetTarget EffectEffect
TestesTestes TestosteroneTestosterone
General & General & Reprod-Reprod-uctive uctive
StructuresStructures
Develop & Develop & Maintain Maintain
secondary male secondary male characteristics characteristics
Promotes Promotes spermatogenesisspermatogenesis
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Now that you know what Now that you know what they are…they are…
Let’s find out how and when Let’s find out how and when they are produced and how the they are produced and how the
system can be shut off when system can be shut off when things are fine.things are fine.
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Hormones & FeedbackHormones & Feedback
Hormone levels are regulated through a Hormone levels are regulated through a process called process called negative feedbacknegative feedback When the brain detects an inappropriate level When the brain detects an inappropriate level
of a certain hormone, it will do things to fix the of a certain hormone, it will do things to fix the problem.problem.
When the problem is solved, the brain stops When the problem is solved, the brain stops trying to fix it. trying to fix it.
Let’s look at an example.Let’s look at an example.
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Hormones & FeedbackHormones & Feedback
When insufficient levels of When insufficient levels of thyroxinthyroxin in in body…body…
1.1. the pituitary releases the pituitary releases TSHTSH
2.2. Thyroid then produces ThyroxinThyroid then produces Thyroxin
3.3. Soon thyroxin levels are high enough for Soon thyroxin levels are high enough for pituitary to stop releasing TSHpituitary to stop releasing TSH..
4.4. As a result, As a result, thyroxin release stopsthyroxin release stops..
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Hormones & FeedbackHormones & Feedback
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Hormones & FeedbackHormones & Feedback
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Hormones & FeedbackHormones & Feedback
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Hormones & FeedbackHormones & Feedback
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Hormones & FeedbackHormones & Feedback
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A Diploma Exam DiagramA Diploma Exam Diagram
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Hormonal Control AssignmentHormonal Control Assignment
Using your textbook and class notes, Using your textbook and class notes, describe each the following disorders by describe each the following disorders by
1.1. indicating the symptomsindicating the symptoms
2.2. identifying the hormones involvedidentifying the hormones involved
3.3. identifying if this hormone is in hypersecretion or identifying if this hormone is in hypersecretion or hyposecretion.hyposecretion.
1.1. hypothyroidismhypothyroidism
2.2. hyperthyroidismhyperthyroidism
3.3. goitergoiter
4.4. diabetes mellitusdiabetes mellitus
5.5. gigantismgigantism
6.6. dwarfismdwarfism
7.7. acromegalyacromegaly