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CNHP 2010 CH. 2
Terms and definitions
| Term | Definition |
|---|---|
| adip/o | fat |
| erythr/o | red |
| hidr/o | sweat |
| kerat/o | hard |
| leuk/o | white |
| onych/o | nail |
| scler/o | hard |
| squam/o | scale |
| trich/o | hair |
| stratum basale | deepest layer of the epidermis, also called basal layer |
| sebaceous glands | oil glands in the skin |
| sudoriferous glands | sweat glands (sudor = sweat; ferre = to bear) |
| subcutaneous layer | connective and adipose tissue layer just deep to (under) the dermis |
| keratin | hard protein material found in the epidermis, hair, and nails |
| macule | a flat, discolored spot on the skin up to 1 cm across (e.g. a freckle) |
| papule | a solid mass on the skin up to 0.5 cm in diameter (e.g. a nevus [mole]) |
| nodule | a solid mass greater than 1 cm that extends deeper into the epidermis |
| 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) |
| 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 |
| purpuric lesions | purpura; lesions resulting from hemorrhages into skin |
| keloid | an abnormal overgrowth of scar tissue that is thick and irregular (kele = tumor) |
| dermatitis | inflammation of the skin characterized by erythema, pruritus (itching), and various lesions |
| impetigo | a highly contagious bacterial skin infection characterized by isolated pustules that become crusted and rupture, most often around the mouth and nose |
| lupus | any various chronic autoimmune disease characterized by inflammation of the skin and other tissues (lupus= wolf) |
| malignant cutaneous neoplasm | skin cancer |
| melanoma | malignant neoplasm composed of melanocytes |
| onychia | inflammation of the fingernail or toenail |
| paronychia | inflammation of the nail fold |
| cryosurgery | destruction of tissue by freezing with application of an extremely cold chemical (e.g. liquid nitrogen ) |
| sclerotherapy | use of sclerosing agents in treating diseases (e.g. injection of a saline solution into a dilated blood vessel tumor in the skin, resulting in hardening of the tissue within and eventual sloughing away of the lesion) |
| heterograft or xenograft | graft transfer between different species, such as from animal to human (hetero = different; zeno = strange) |
| homograft or allograft | graft transfer between persons of the same species such as human to human (homo = same) |
| fulguration | to lighten; use of long, high frequency, electric sparks to destroy tissue; the active electrode does not touch skin |
Created by:
ataye2
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