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MEDICAL TERMINOLOGY
CHAPTER 4 - PART 1
| Term | Definition |
|---|---|
| Abrasion | Area where skin has been scraped away |
| Sudoriferous glands | Sweat glands |
| Skin | Largest organ of the body with major functions of protection and temperature regulation |
| Leukocytes | White blood cells |
| Melanin | Pigment that gives skin its color |
| Shaft | Part of the hair that you can see which functions to filter dust and debris from the air |
| Dermis | Layer of skin that contains hair follicles, nerves, sweat glands, and sensory receptors |
| Erythema | Redness |
| Reflex | Action, or response, that happens so quickly that you don't have time to think about it |
| Subcutaneous Layer | Layer of skin that contains fat and provides insulation for deeper structures |
| Nail bed | Nails slide slowly over this layer of epithelial tissue as they grow |
| Basement membrane | Place where new, living epidermal cells are produced |
| Lunula | Half-moon area at the base of the nail where new growth occurs |
| Sebum | Substance secreted by oil glands |
| Edema | Swelling |
| Hair follicle | Part of the hair that is buried in the skin; contains the root. |
| Epidermis | Thin, outer layer of the skin |
| Melanocytes | Pigment-producing skin cells |
| Sebaceous glands | Glands found at the base of hair follicles all over the body |
| Laceration | Cut or tear in the flesh |
| epi- | Above; upon |
| Pathogens | Tiny disease-causing organisms |
| IP | Ice pack |
| MHP | Moist hot pack |
| Pressure Ulcers | Skin wounds; also called decubitus ulcers or bedsores |
| Dilate | Expand |
| Keratin | Protein in hair and nails |
| Sensory receptors | Found in the skin that help us interact with our environment and protect us from harm |
| Keratinized | Hardened |
| hair shaft | filters dust and debris from the air |