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Epithelial Tissue
Simple-one cell thick
Stratified-two or more cells thick cells may look different from one level to next
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Slide 1 Simple Squamous
Epithelium
Fig.1&2 Endothelium lining of blood vessel and heart ventricle
Fig. 3&4 Mesothelium visceral peritoneum Microvilli on 4 hold
mucus to produce a slick frictionless surface
Fig. 5&6 Loops of Henle
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Simple Squamous Epithelium
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Slide 2
Stratified Squamous Epithelium
Fig.1 & 2 Hard Palate
Fig. 3 & 4 folded mucosa surface of
vagina
Fig. 5 epidermis
of skin
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Stratified Squamous Epithelium1=epidermis 2=dermis
1
2
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Slide 3 Simple Cuboidal-lining of proximal tubule; collecting
ducts
Stratified Cuboidal-lining of brain
ventricle; cs. of a seminiferous tubule
Transitional Cuboidal-Urinary
Bladder
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Simple Cuboidal Transitional Cuboidal
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Simple cuboidal
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Slide 4 Simple Columnar
Epithelium
Fig 1&2 Oviduct w/ microvilli
Fig 3&4 Lining of gallbladder
Fig 5&6 Lining of intestine
GC-goblet cell
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Simple columnar
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Pseudostratified columnar
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Ciliated columnar
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Slide 8 Loose Areolar
Connective Tissue
Fig 1 Adventitia of trachea
Fig 2 Lamina propria
Fig 3 Tubular intestinal gland
Fig 4 Fibroblasts
Fig 5&6 Lymph node with reticular fibers
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Adipose Tissue
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Adipose Tissue
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Slide 11 Dense Connective
Tissue
Fig 1 Dense irregular dermis of
skin
Fig 2&3 Dense regular tendons and
ligaments
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Slide 33
TA-Elastic Fibers
Blood VesselLu-lumen or interior
of any tube EC-endothelium
cells
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Loose connective tissue
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Fibrous Connective Tissue
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Cartilage
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Cartilage
Mitosis
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Bone formation from cartilage
Growth plate
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Compact Bone
osteons
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Three kinds of muscle
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Skeletal (striated) muscle-voluntary multinucleated formed by fusion of several cells during embryonic development
Single muscle fiber or cell
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Muscle fiber is a cell with many nuclei and several
myofibrils
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Smooth Muscle Skeletal Muscle- spindle-shaped multinucleated formed by mononucleate involuntary fusion of several cells during embryonic development
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Smooth muscle
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Cardiac Muscle -cells are striated and branched with
intercalated disks(desmosomes) tying the cells together
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Cardiac Muscle -cells are striated
and branched with intercalated disks
tying the cells
together
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Slide 67 Nerve Fibers
Myelin sheath produced by
Schwann cells
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Processes
Cell body
Nucleus
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Stomach Low power
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Stomach High power
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Evolutionary convergence of fusiform shapes
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Contact with environment
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Internal exchanges surfaces
Interstitial fluid-the liquid between the cells; exchanges
nutrients and wastes with the blood in the capillaries and the
cytoplasm in the cells
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Small intestine- maximized surface
area
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Minimum distance from air to blood
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Negative FeedbackControl of room temperature
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Negative Feedback
Control of body temperature
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Ingestion Digestion (mechanical and chemical) Absorption
Elimination
Basal Metabolic Rate-an endothermic animal’s Calorie
need under complete rest
Men= body wt. X 11
Women= body wt. X 10
Daily Calorie need
For a sessile student= BMR X 1.6
30 min. exercise /day=BMR X 1.7
60 min. exercise /day=BMR X 1.8
90 min. exercise /day=BMR X 1.9
120 min. exercise /day=BMR X 2.0
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Crab lab-calorimeter
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Maximum metabolic rates over
different time spans
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Total annual energy expenditures
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Endotherms-surface to volume ratio
Ectotherms have a major advantage on energy usage but cannot always be active in temperate regions
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