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Module 3 Definitions
| Term | Definition |
|---|---|
| Layers of the skin | epidermis, dermis, subcutaneous |
| Nails | Protect the tips of fingers and toes |
| Sudoriferous glands | sweat glands |
| Sebaceous glands | oil glands |
| Sebum | oil |
| Melanin | A pigment that gives the skin its color and provides protection from UV rays |
| Melanocytes | cells that produce melanin |
| subcutaneous tissue | made mostly of adipose tissue |
| function of epidermis | protection from pathogens, chemicals, UV rays, and water loss |
| dermis | Contains blood vessels, hair follicles, sweat glands, and oil glands, nerve cells. |
| function of hypodermis | insulation, energy storage, and padding |
| types of medications absorbed through the skin | topical ointments and creams, transdermal patches |
| Vitamin produced when skin is exposed to UV light | Vitamin D |
| Contents of sweat | water, salts, and wastes |
| Function of sweat | Dissipates excess heat, excretes waste products, inhibits bacteria growth |
| Function of sebum | lubricates skin, helps to prevent bacterial growth |
| lesion | pathologic change of the tissue due to disease or injury |
| rash | an area of irritated skin |
| Athlete's foot (tinea pedis) | contagious fungal infection that affects the skin on the feet |
| Hives (urticaria) | A skin rash triggered by a reaction to food, medicine, or other irritants. |
| Herpes | A viral infection causing small painful blisters, most commonly around the mouth or genitals |
| Melanoma | cancer of melanocytes in the skin |
| Decubitus ulcer | injury to the skin resulting from prolonged pressure |
| Warts | Growths on the skin caused by an infection with human papilloma virus, or HPV |
| Peduculosis | lice |
| Ringworm | contagious fungal infection with circular patches |
| 1st degree burn | only epidermis is damaged |
| 2nd degree burn | epidermis and dermis are damaged |
| 3rd degree burn | epidermis, dermis, and hypodermis are damaged |
| dermatome | instrument used to cut skin (in thin slices for skin grafts) |
| inflammation | the body's response to an injury or infection |
| histamine | a chemical that produces inflammation |
| S&S of inflammation | SHARP - Swelling, heat, altered function, redness, pain |
| Erythema | redness of the skin |
| thermogenesis | process of heat production |
Created by:
kalin.organ
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