1. The Integumentary System
Chapter 5

2. Cutaneous Membrane
Epidermis
Dermis
Hypodermis

3. Functions Protection Excretion of Salts, water, waste Thermoregulation
Melanin production
Vitamin D production
Detection/Sensation

4. Epidermis

5. Epidermal Pigmentation
Carotene
Melanin
UV Radiation
Vitamin D
Epidermal Growth Factor

6. Dermis Dermal circulation/blood supply Supports epidermis
Strength and elasticity
Cleavage lines
Innervation

7. Dermal Structures

8. Hair

9. Glands

10. Nails

11. Repair

12. Burns Rule of Nines Burn treatment Fluid and electrolytes
Metabolic demands
Infection
Immune system

13. Aging Epidermal thining Dendritic cells decrease in number
Decline in Vitamin D
Melanocytes decline in activity
Decrease in glandular activity
Reduction in blood supply
Hair follicle activity declines
Thinning of dermis
Fading of secondary sexual characteristics
Slowing of repair

14. System Integration