Integumentary System

Integumentary System - Integumentary System Organs skin and...

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Integumentary System Organs: skin and derivatives (nails, hair follicles, sweat glands, sebaceous glands = oil-secreting glands, hooves, antlers, etc.) Functions 1. Protection 2. Barrier from outside to inside of body 3. Temperature regulation: sweating, shivering, hair traps warm air to body, dilate blood vessels 4. Elimination of wastes 5. Absorption across skin (birth control patches, nicotine patches) 6. Sexual dimporphism 7. Communication 8. Sexual response (hypothalamus orgasmic function) 9. Etc…(production of Vitamin D) Figure 5.1 (pg. 107) Epidermis = avascular stratified squamous epithelial tissue Dermis of skin (central region): layer where most organs (receptors) are housed it’s a connective tissue Hypodermis: subcutaneous layer of skin: majority of adipose tissue is housed here; temperature regulation (insulation); determines how thick skin is Table 5.2 (pg. 109): Epidermis Epidermis is stuck to basement membrane (stuck to dermis) everything north of
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Integumentary System - Integumentary System Organs skin and...

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