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CNHP 2010 Chapter 2
Creative Study Assignment
| Term | Definition |
|---|---|
| hidr/o | sweat |
| onych/o | nail |
| squam/o | scale |
| stratum corneum | the outer layer of the epidermis, made up of several layers of flat keratinized (hard, proteinaceous) cells |
| stratum basale | deepest layer of the epidermis, also called the basal layer |
| lesion | an area of pathologically altered tissue; types of lesions are primary, secondary, vascular, and purpuric |
| primary lesions | lesions arising from previously normal skin |
| macule | a flat, discolored spot on the skin up to 1 cm across (e.g., a freckle) |
| patch | a flat, discolored area on the skin larger than 1 cm (e.g., vitiligo) |
| papule | a solid mass on the skin up to 0.5 cm in diameter (e.g., a nevus [mole] |
| plaque | a solid mass greater than 1 cm in diamter and limited to the surface of the skin |
| nodule | a solid mass greater than 1 cm that extends deeper into the epidermis |
| tumor | a solid mass larger than 1-2 cm |
| wheal | an area of localized skin edema (swelling) (e.g., a hive) |
| vesicle | little bladder; an elevated, fluid-filled sac (blister) within or under the epidermis up to 0.5 cm in diameter (e.g., a fever blister) |
| bulla | a blister larger than 0.5 cm (e.g., a second-degree burn) (bulla = bubble) |
| pustule | a pus-filled sac (e.g., a pimple) |
| excoriation | a scratch mark |
| cherry angioma | a small, round, bright red blood vessel tumor on the skin, seen mostly in people over age 30 |
| telangiectasia | a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly on the face, neck, or chest (telos = end); also called spider angioma |
| spider angioma | a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly on the face, neck, or chest (telos = end); also called telangiectasia |
| petechia | spot; reddish-brown, minute hemorrhagic spots on the skin that indicate a bleeding tendency; a small purpura |
| ecchymosis | bruise; a black and blue mark; a large purpura (chymo = juice) |
| cicatrix of the skin | a mark left by the healing of a sore or wound, showing the replacement of destroyed tissue by fibrous tissue (cicatrix = scar) |
| dysplastic nevus | a mole with precancerous changes |
| verruca | an epidermal growth caused by a papilloma virus, also called a wart |
| Furuncle | boil; a painful nodule formed in the skin by inflammation originating in a hair follicle; caused by staphylococcosis, also called boil |
| Carbuncle | skin infection composed of a cluster of boils caused by staphylococcal bacteria |
| actinic keratosis | a localized thickening of skin caused by excessive exposure to sunlight, a known precursor to cancer (actinic = ray; solar = sun); also called solar keratosis |
| basal cell carcinoma (BCC) | malignant neoplasm of hte stratum basale of the epidermis; the most common type of skin cancer |
Created by:
jsoyoung7
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