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Chapter 7.3 Keyterms
| Term | Definition |
|---|---|
| Albino | Absence of all color pigment |
| Alopecia | Baldness |
| Constrict | To contract or narrow; to make smaller |
| Crust | A scab; outer covering or coat |
| Cyanosis | Bluish color of the skin, nail beds, and/or lips due to an insufficient amount of oxygen in the blood |
| Cyst | A closed sac with distinct membrane that develops abnormally in a body structure; usually filled with a semi-solid liquid. |
| Dermis | The skin |
| Dilate | Enlarge or expand; to make bigger |
| Epidermis | The outer layer of the skin |
| Erythema | Redness of the skin |
| Hypodermis | The inner most layer of the skin, made of elastic and fibrous connective tissue and adipose (fatty) tissue and connects the skin to the underlying muscles |
| Integumentary System | Pertaining to the skin or a covering |
| Jaundice | Yellow discoloration of the skin and eyes, frequently caused by liver or gall bladder disease |
| Macules | A discolored but neither raised not depressed spot or area on the skin |
| Melanin | Brownish black pigment found in the skin, hair, and eyes |
| Papules | Solid, elevated spot or area on the skin |
| Pustules | Small, elevated, pus- or lymph- filled area of the skin |
| Sebaceous Glands | Oil-secreting gland of the skin |
| Subcutaneous fascia | Layer of tissue that is under the skin and connects the skin to muscles and underlying tissue |
| Sudoriferous Glands | Sweat-secreting gland of the skin |
| Ulcer | An open lesion on the skin or mucous membrane |
| Vesicles | Blister; a sac full of water or tissue fluid |
| Wheals | Itchy, elevated areas with an irregular shape |