MedTerm Ch.11 vocab terms and the skin
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37 terms
Terms | Definitions |
|---|---|
 actinic | referring to ultraviolet rays of the sun |
| albinism | no body pigment; white skin and hair |
| alopecia | baldness; hereditary or caused by chemotherapy |
| bulla (-ae) | large blisters, as in burns |
| callus | localized hyperplasia of the horny layer of the epidermis caused by pressure or friction |
| cicatrix | a scar |
| cyst | a closed epithelium-lined cavity or sac, normal or abnormal, usually containing liquid or semisolid material |
| ecchymosis | bruise, caused by bleeding under the skin |
| erosion | eating or gnawing away (e.g. an early ulcer) |
| eruption | breaking out; a rash |
| erythema | redness of the skin |
| eschar | a slough (hard crust) produced by thermal burn |
| exanthem | an erruptive (rose colored) disease or fever |
| excoriation | a superficial loss of skin (e.g. by scratching) |
| exfoliation | a falling off in scales or layers |
| fissure | a narrow slit on the skin surface |
| gangrene | necrotic or dead tissue |
| hirsutism | abnormal hairiness, especially in women |
| keloid | a sharply elevated, progressively enlarging scar that does not fade with time |
| laceration | cut; tearing; a torn wound |
| lesion | any pathologic or traumatic discontinuity of tissue (e.g. a sore) |
| macule | a spot, or thickening (e.g. a freckle, flat mole) area is not raised above the surface |
| nodule | a small node that is solid and can be detected by touch; a rounded prominence (e.g. a boss) |
| nummular | coin-sized and coin-shaped |
| papulae | a small, circumscribed, solid elevated lesion of the skin (e.g. wart, acne, mole) |
| paronychia | inflammation of the fold of tissue around the fingernail |
| plaque | any patch or flat area; used to describe the silvery scales of psoriasis |
| pruritus | itching |
| pustule | a small, elevated, pus-containing lesion of the skin |
| scales, crusts | an outer layer formed by drying of a bodily exudate or secretion; flaking type of lesion (e.g. psoriasis, fungus) |
| scar, cicatrix | a mark remaining after the healing of a wound or other morbid process |
| tumor | swelling; may be benign or malignant; also called a neoplasm |
| ulcer | a local destruction of tissue from sloughing of necrotic inflammatory tissue |
| urticaria | hives; transient elevated patches (wheals) |
| vesicle | a small blister containing liquid |
| vitiligo | loss of pigment; white patchy areas |
| wheal | a localized area of swelling on the body surface (e.g. produced by a skin test reaction) |
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