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chapter 2
integumentary system
| Term | Definition |
|---|---|
| kerat/o | hard |
| steat | fat |
| xer | dry |
| stratum corneum | the outer layer of the epidermis, made up of several layers of flat keratinized (hard, proteinaceous) cells |
| myc/o | fungus |
| squam | scale |
| urticaria | hives; an eruption of wheals on the skin accompanied by itching |
| gangrene | death of tissue associated with loss of blood supply |
| melanocyte | cell in the stratum basale that gives color to the skin |
| epithelium | cellular avascular layer covering external and internal surfaces of the body |
| sudoriferous glands | sweat glands (sudor = sweat; ferre = to bear) |
| collagen | protein substance in skin and connective tissue (koila = glue; gen = producing_ |
| nail | outgrowth of the skin, composed of keratin, at the end of each finger and toe |
| sebaceous glands | oil glands in the skin |
| subcutaneous layer | connective and adipose tissue layer just deep to (under) the dermis |
| macule | a flat, discolored spot on the skin up to 1 cm across (e.g., a freckle) |
| 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) |
| erosion | gnawed away; loss of superficial epidermis, leaving an area of moisture but no bleeding (e.g., area of moisture after rupture of a vesicle) |
| excoriation | a scratch mark |
| fissure | a linear crack in the skin |
| 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 |
| petechia | spot; reddish-brown, minute hemorrhagic spots on the skin that indicate a bleeding tendency; a small purpura |
| verruca | an epidermal growth caused by a papilloma virus, also called a wart |
| varicella | an acute contagious disease caused by herpes varicella zoster virus- chickenpox |
| carbuncle | skin infection composed of a cluster of boils caused by staphylococcal bacteria |
| exanthematous viral disease | an eruption of the skin caused by a viral disease (exanthema = eruption) |
| furuncle | boil; a painful nodule formed in the skin by inflammation originating in a hair follicle; caused by staphylococcosis, also called boil |
| gangrene | death of tissue associated with loss of blood supply |
| kaposi sarcoma | malignant tumor of the walls of blood vessels appearing as painless, ark blueish-purple plaques on the skin; often spreads to the lymph nodes and internal organs; commonly seen in patients with HIV/AIDS |
Created by:
mmendez11
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