descriptive terminology
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Created by:
sarahdeakins on January 8, 2009
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29 terms
Terms | Definitions |
|---|---|
 macule | flat lesion of color different from the surrounding tissue less than 1cm in diameter |
| patch | flat lesion of color different than the surrounding tissue more than 1cm in diameter. |
| vesicle | elevated lesion filled with clear fluid 1cm or less in size (blisterform) |
| bulla | elevated lesion filled with clear fluid greater than 1cm in size (blisterform) |
| pustule | vesicles filled with purulent exudate (pus) (blisterform) |
| papule | raised lesion with no fluid inside, less than 5mm in diameter (solid lesion) |
| nodule | raised lesion with no fluid inside, 5mm-2cm in diameter (solid lesion) |
| tumor | elevated, solid and deep lesion more than 2cm (solid lesion) |
| plaque | broad, slightly raised area witha flat top; looks pasted on (solid lesion) |
| sessile | if a lesion's attatchment has a broad base as wide at the lesion itself |
| pedunculated | lesions have a narrow pedicle, or stalk-like base of attatchment |
| ulcer | depressed lesion that extends through the epithelium into the dermis (depressed) |
| erosion | depressed lesion which does not extend through the dermis. AKA: abrasion (depressed) |
| wheal | serum-filled papule or plaque |
| scar | permanent mark from wound |
| sinus | a recess, cavity, or dilated tract |
| fluctuant | a lesion that conveys a wave-like motion usually owing to a liquid content |
| soft | lesion composed of cells without much fibrous connective tissue |
| firm | a lesion that is harder than adjacent mucosa and has a higher content of fibrous connective tissue |
| indurated | hardness primarily as a result of an increase in the number of epithelial cells |
| hard | a lesion that contains bone or other calcified material |
| mobile | a lesion which can freely move upon palpation |
| smooth | deep lesions that push up and stretch the surface tissues |
| papillary | rough surface resembling small nodules or elevated projections |
| crusted | a hard outer layer of dried serum, pus, or blood |
| cratered | centrally depressed like a bowl |
| corrugated | ripples or washboard-like (corrugated cardboard) |
| fissured | consisting of many deep crevices |
| pseudomembrane | a false membrane that covers the surface of the lesion and can be wiped off |
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