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integumentary system
| Term | Definition |
|---|---|
| functions of the skin | Protection, temperature regulation, excretion, vitamin D production, sensation. |
| layers of the skin | Epidermis (superficial), Dermis (middle), Hypodermis (deep) |
| Epidermis | Contains keratinocytes (keratin protein hardens your skin cells) Melanocytes (release melanin in response of UV light) |
| Stratum corneum | harden upper layer |
| Stratum basale | basement layers of the epidermis where mitosis of skin cells occur |
| dermis | contains collagen (provides flexibility), elastic fibers, glands, nerves, and blood vessels |
| hypodermis | made if fat and connective tissue; insulates and cushions |
| accessory structures | hair, sebaceous (oil) glands, sweat glands, nails |
| common disorders | understand the different between Eczema, Psoriasis, impetigo |
| burn classifications | first degree (epidermis), second degree (epidermis+dermis), third degree (all layers) |
| Rule of nines | used to estimate total body surface area affects by burns |
| Eczema | a chronic skin condition characterized by itchy, red, and inflamed skin |
| Psoriasis | a chronic, autoimmune skin condition that causes red, scaly patches of skin |
| impetigo | a common, superficial bacterial skin infection that typically causes small, pus-filled blisters that may rupture and form crusts |
Created by:
user-1990350