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7.3 key terms
| Term | Definition |
|---|---|
| albino | absence of all color pigments |
| alopecia | baldness |
| constrict | to contract or narrow; to make smaller |
| crusts | 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 a distinct membrane that develops abnormally in a body structure, usually filled with a semi sold 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 innermost layer of the skin, made of elastic and fibrous connective tissue and adipose (fatty) tissue and connects the skin to underlying muscles |
| integumentary system | pertaining to the skin or a covering |
| jaundice | yellow discoloration of the skin and eyesm, frequently caused by live or gallbladder disease |
| macules | a discolored but neither raised nor 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 skill |
| 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 tissues |
| 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 tissues fluid |
| wheals | itchy, elevated areas with an irregular shape |