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Ch 3. Integumentary
Dermatological terms and definitions
| Term | Definition |
|---|---|
| Alopecia | Baldness |
| anhidrosis | lack of sweat |
| comedo | hair follicle plugged with sebum; a white head or black head |
| cyanidrosis | blue sweat |
| depigmentation | loss of pigment |
| dermatalgia | skin pain |
| dermatodynia | skin pain |
| dermatolysis | loose skin |
| erythema | redness |
| erythroderma | red skin |
| abrasion | scraping away of the skin |
| albinism | lack of pigment causing the patient to look white |
| albino | a person affected with albinism |
| hemathidrosis | sweating blood |
| hidropoiesis | formation of sweat |
| hyperhidrosis | excessive sweating |
| hyperkeratosis | excessive growth of horny skin |
| hypermelanosis | excessive melanin in the skin |
| hypohidrosis | diminished of sweat |
| hypomelanosis | diminished melanin in the skin |
| hypopigmentation | diminished pigment in the skin |
| leukoderma | white skin |
| mascerate | to soften the skin; wet |
| onychophagia | eating or biting the nail |
| pruritus | an itch |
| rhytidermia | wrinkled skin |
| sebopoiesis | formation of oil (sebum) |
| seborrhea | discharge of oil (sebum) |
| trichomegaly | abnormally thick hair |
| urticaria | swollen raised itchy areas of the skin |
| xanthoderma | yellow skin |
| xeroderma | dry skin |
| xerosis | condition of dryness |
| macule, macula | small, flat, discolored area (freckle) |
| vitiligo | later, flat, discolored area (patch) |
| papule | a small, solid mass |
| plaque | a solid mass on the surface of the skin |
| nodule | a solid mass that extends deeper into the skin |
| tumor | a larger solid mass |
| vesicle | a smaller blister |
| bulla | a larger blister |
| pustule | a pus-filled blister |
| abscess | a localized collection of pus in the body |
| erosion | loss of skin |
| ulcer | a sore |
| excoriation | a scratch |
| fissure | a crack in the skin |
| scale | skin flaking off |
| crust | a dried substance on the skin |
| vascular lesion | wounds related to blood vessels |
| cherry angioma | a small blood vessel tumor |
| telangiectasia (spider angioma) | the overexpansion of the end of a blood vessel |
| petechia | a small bruise |
| ecchymosis | a larger bruise |
| cicatrix | scar |
| keloid | overgrowth of scar tissue |
| epidermal tumor | a tumor on the skin |
| nevus | mole |
| dysplastic nevus | a mole with bad changes/formation (often precancerous) |
| verruca | wart |
| decubitus ulcer | bed sore |
| psoriasis | a skin condition characterized by patches of itchy, red, scaly skin |
| tinea | ringworm |
| impetigo | highly contagious bacterial infection of the skin |