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MEDA 101
Integumentary System (all terms)
| Question | Answer |
|---|---|
| derm/o | skin |
| dermat/o | skin |
| adip/o | fat |
| lip/o | fat |
| cutane/o | skin |
| hidr/o | sweat |
| hydr/o | water |
| seb/o | sebum (oil) |
| trich/o | hair |
| hist/o | tissue |
| cyt/o | cell |
| path/o | disease |
| ichthy/o | fish |
| leuk/o | white |
| erythr/o | red |
| melan/o | black |
| purpur/o | purple |
| xanth/o | yellow |
| myc/o | fungus |
| onych/o | nail |
| -oid | resembling |
| -gen | create, generate, or produce |
| sclerosis | hardening of an organ or tissue (e.g., skin) |
| plas/o | tissue formation |
| electr/o | electricity |
| chem/o | chemical |
| cry/o | freezing or cold |
| carcin/o | cancer |
| auto | self |
| homo | same |
| hetero | different |
| epithelium | cells covering external and internal surfaces of the body |
| epidermis | thin, cellular outer layer of the skin |
| dermis | dense, fibrous connective tissue layer of the skin (aka the corium) |
| sebaceous glands | oil glands in the skin |
| sudoriferous glands | sweat glands |
| keratin | hard protein material found in the epidermis, hair, and nails |
| lesion | an area of pathologically altered tissue |
| lesion: macule | a flat, discolored spot on the skin up to 1cm across (e.g., a freckle) |
| lesion: papule | a solid mass on the skin up to 0.5cm across [e.g., a nevus (mole)] |
| lesion: vesicle | little bladder; an elevated, fluid-filled sac (blister) within or under the epidermis up to 0.5cm across |
| lesion: pustule | a pus filled sac |
| lesion: wheal | an area of localized skin edema (swelling) - (e.g., a hive) |
| ulcer | an open sore on the skin or mucous membrane that can bleed and scar and is sometimes accompanied by infection |
| excoriation | a scratch mark |
| fissure | a linear crack in the skin |
| petechia | spot; a reddish-brown, minute hemorrhagic spot on the skin that indicates a bleeding tendency - small purpura |
| comedone | a plug of sebum (oil) within the opening of a hair follicle (black head or white head) |
| erythema | redness of skin |
| pruritus | severe itching |
| purulent | contains pus |
| urticaria | hives; an eruption of wheals on the skin accompanied by itch |
| burn | any injury to the body tissue caused by heat, chemicals, electricity, radiation, or gases |
| first-degree burn | epidermis only |
| second-degree burn | epidermis & dermis |
| third-degree burn | all layers of the skin, characterized by destruction of epidermis and dermis with damage or destruction of the subcutaneous tissue. |
| cellulitis | an acute inflammation of subcutaneous tissue resulting from a bacterial invasion through a break in the skin |
| necrosis | tissue death |
| psoriasis | an itching; a chronic recurrent skin disease marked by silver-gray scales covering red patches on the skin that result from overproduction and thickening of skin cells |
| herpes zoster | shingles - a viral disease affecting the peripheral nerves characterized by painful blisters that spread over the skin following the affected nerves; usually unilateral |
| impetigo | highly contagious, bacterial skin inflammation marked by pustules that rupture and become crusted - most often occurs around the mouth and nostrils |
| dermatitis (eczema) | an inflammation of the skin characterized by redness, itching, and various lesions |
| pediculosis | infestation with lice that causes itching and dermatitis |
| scabies | a contagious disease caused by a parasite (mite) that invades the skin, causing an intense itch |
| tinea | a group of fungal diseases identified by the body part that is affected (ringworm, athlete's foot) |
| debridement, debride | The removal of foreign material and dead or damaged tisue, esp. in a wound. |
| anti-inflammatory | a drug that reduces inflammation |
| antifungal | a drug that kills or prevents the growth of fungus |
| antipruritic | a drug that relieves itching |
| alopecia | baldness; natural or unnatural deficiency of hair |
| rosacea | a chronic rose-colored eruption |
| I & D | incision and drainage |
| Bx | biopsy |
| C & S | culture and sensitivity |
| HSV | herpes simplex virus |
| SLE | systemic lupus erythematosus |
| autograft | skin graft where graft is from one area of the body to another area on the same person |
| homograft | graft between same species |
| heterograft | graft between different species |
| nevus, nevi | a congenital malformation on the skin that can by epidermal or vascular - also called a mole |
| graft | moving tissue |