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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 |