what are the parts and how do they fit? guiding questions for this chapter: _____________?...
TRANSCRIPT
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What are the parts and how do they fit?
Guiding questions for this chapter:
_____________?
_____________?
________________?
_____________?
_____________?
BIOL 2030 Human Anatomy & Physiology IIBIOL 2030 Human Anatomy & Physiology II
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What Gland?
________________
Portion of the brain connected to the pituitary via the thin stalk called the _______________.
_________ is comprised of nervous tissue.
_________ _________
_________
_________
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What Hormones?
All the hormones formed by the hypothalamus are either “R” releasing or “I” inhibiting.
GHRH -- ______________________________
GHIH -- ______________________________
GnRH -- ______________________________
TRH -- ______________________________
CRH -- ______________________________
PRH -- ______________________________
PIH -- ______________________________
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What target tissue(s)?All of the hypothalamus hormones (“R” and “I”) target the cells in the __________ _____________.
Note that the _____________ interacts specifically with the ___ parts of the pituitary gland in ___distinct ways!
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What is the target tissue response?In response to the “R” and “I” hormones of the hypothalamus…
Ex. ________________________ causes the secretion of _________________
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How does the hypothalamus interact with the pituitary?Hypothalamal hormones travel to the anterior pituitary gland via a _______ ______________ called a portal system. The whole structure is referred to as the ________________________________!!!
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What Gland?The pituitary is comprised of __ distinct tissues from __ distinct origins (___________ and _________)We will consider them individually…1) Posterior Pituitary (_______________)2) Anterior Pituitary (________________)
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What Hormones?All the hormones secreted by the posterior pituitary are actually formed by _________________ in the hypothalamus and are distributed along ___________________, down the __________to the enlarged vesicles in the posterior pituitary.
________ -- Synthetic is Pitocin
________ -- Anti Di uretic Hormone
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What target tissue(s)?
Oxytocin -- causes ________ __________ in the mammary glands and uterus.
ADH -- causes the _______ ______________________________
What is the target tissue response?
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What Gland?_______________ (adenohypophysis)
What Hormones?TSH -- ________________
ACTH -- ______________
LH -- __________________
FSH -- _______________
Prolactin -- __________________________… cause secretion of OTHER hormones from ____________!
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What Gland?Anterior pituitary (adenohypophysis)
What Hormones?GH -- _____________
MSH -- _____________
Lipotropin --
ß endorphins --
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What target tissues & target tissue responses?GH -- __________ --MSH -- ___________ --Lipotropin -- ____________ --ß endorphins -- ____ --ACTH -- ____________ --LH -- ____________ --FSH -- ____________ --Prolactin -- _____________--
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What Gland?____________ consists of 2 lobes joined by a narrow bridge (isthmus).
Located inferior to the ________ and anterior to the __________.
One of largest endocrine glands!
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What Gland?Functionally the thyroid can be divided into 2 main histological components:1) ______________, which surround sacs (follicles) within the thyroid and 2) ______________, which are found in clusters in between follicles.
Follicle
?
?
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What Hormones?Follicular cells secrete T3 (___________) andT4 (____________ or ___________)
These hormones depend on_______ for their synthesis. They are bound with the protein ___________ inside the follicle. About 1-2 weeks worth stored in ________ and in _________. T3 & T4 released from thyroglobulin before release into bloodstream.
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What target tissues and target tissue responses?
Targets = ____________
Response =
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What Gland & Hormone?
?
_______________ of the thyroid gland secrete their own hormone: __________.
__________ targets osseous (____) tissue, and causes the inhibition of __________ (break down bone) and stimulates _________ activity (build up bone)
What target tissue(s) & response?
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Take 5!!!
An enlargement of the thyroid (goiter) can develop from iodine deficiencies. Why does the thyroid gland respond by swelling?
Discuss with your neighbor and predict an answer
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What diseases & disorders are related to too <>?
*
Symptoms?
*
Symptoms?
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What Gland?_____________ glands are comprised of __ __________ small glands embedded in the ____________ portion of the thyroid lobes.
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What Hormones?
____ -- _________ _______
Which of the 2 photomicrographs is of parathyroid tissue?(hint: only thyroid stores products extracellularly)
A
B
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What target tissue(s)?
What is the target tissue response?
________________________ are target organs for PTH.
The response of all three types of organs is to attempt to ____________________________ (Ca2+ ).
___ = _________ Antagonist to Calcitonin
Osseous (bone) tissue responds with an elevated _______ (dissolve bone) activity and suppressed __________ (build bone) activity.
____________ and ________ increase re-absorption rate of Ca2+ from digested food and urine respectively.
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What Gland?The ______________ is located superior to the heart.
This gland is associated with _______________ and influences the maturation of white blood cells called _______ via hormone __________.
The Thymus gland ___________ with age.
Thymus
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What Gland?
The __________ functions as both an ________ gland (products transported via ducts) and as an _______ gland (ductless).
The endocrine portion of the pancreas is restricted to small clumps of cells called _______________ (or _________________).
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What Hormones?
________________ are comprised of 3 distinct types of cells, each producing a particular hormone/intercellular chemical:
: Glucagon
: Insulin
: Somatostatin (what type of signal?)
__________
__________
__________
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What target tissue(s) and responses?_________: __________ (except CNS) -- Causes cellular uptake of ______, ______ & ________ from blood.
_________: primarily ______ -- Causes breakdown of ________.
__________: _______ __________ of pancreas -- __________________.
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What Gland?
__________ are a pair of glands that sit superior to the kidneys.
These glands have 2 distinct components, each with distinct developmental origins.
Adrenalgland
An outer layer of the gland, the ________ is derived from _________. While the inner layer of the gland, the _______
is derived from _______ ________ during development.
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What Hormones?The hormones secreted are specific to each region of the gland.
Cortex has 3 subregions:_____________ __________________________
Medulla:____________ & _____________
: _______________ (ex. Androstenedione): _______________ (ex. Cortisol)
: _____________ (ex. Aldosterone)
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What target tissue(s) & response for epinephrine?Target tissues include the _______, ____ ______, ____ and _____.
The response is an elevated ________, and _____, some vessels constrict while some dilate.
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What target tissue(s) & response for adrenal androgens?_________________ (ex. Androstenedione) are converted enzymatically into more potent androgens such as __________.
In males this has minimal effect compared to testosterone secretion. During development _____________ of these adrenal androgens can play an important role in ___________________.
Adrenogenital syndrome
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What target tissue(s) & response for glucocorticoids?_______________ (ex. _______) target many tissues including, _______, _______, _______, _____ & _________.
The non-immune component’s responses are inhibition of __________, increase of _________ _________ from a.a. and fats.
Immune response is _________________ and lowered immunity.
See ___________________ for long-term effects
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What target tissue(s) & response for minerlocorticoids?_______________ (ex. _________) target mainly _______________ (_________).
The response is an increased re-absorption of _____, (which results in ________________ __________________________) and increased excretion of K+
We will discuss this in more detail while exploring the Excretory (Urinary) system.
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The ________ are _______ sex glands that secrete ________ and ______________. These hormones influence female secondary sex characteristics as well as many other functions.
The _______ are _______ sex glands that secrete ___________, which targets many cells in the body and which results in masculinization.
What Gland?
We will discuss in more detail during explorations of the Reproductive system.
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The ___________ is in the ____________.
It secretes __________, which targets the ________________.
The response is decreased ________ secretion.
What effect on reproduction?
Activity is sensitive to _______.
What Gland?