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CC306M Chp. 3
Integumentary System
| Question | Answer |
|---|---|
| adip/o | fat |
| lip/o | fat |
| steat/o | fat |
| derm/o | skin |
| dermat/o | skin |
| cutane/o | skin |
| erythr/o | red |
| hidr/o | sweat |
| hist/o | tissue |
| histi/o | tissue |
| kerat/o | hard |
| leuk/o | white |
| melan/o | black |
| myc/o | fungus |
| onych/o | nail |
| plas/o | formation |
| purpur/o | purple |
| scler/o | hard |
| seb/o | sebum (oil) |
| squam/o | scale |
| trich/o | hair |
| xanth/o | yellow |
| xer/o | dry |
| epithelium | cells covering external and internal surfaces of the body |
| epidermis | thin outer layer of the skin |
| squamous cell layer | flat, scale-like epithelial cells compromising the outermost epidermis |
| basal layer | deepest layer of epidermis |
| melanocyte | cell in the basal layer that gives color to the skin |
| melanin | dark brown to black pigment contained in melanocytes |
| dermis | dense, fibrous connective tissue layer of the skin (corium) |
| sebaceous glands | oil glands in the skin |
| sebum | oily substance secreted by the sebaceous glands |
| sudoriferous glands | sweat glands |
| subcutaneous layer | connective and adipose tissue layer just under the dermis |
| collagen | protein substance in skin and connective tissue |
| hair | outgrowth of the skin composed of keratin |
| nail | outgrowth of the skin, composed of keratin, at end of each finger and toe |
| keratin | hard protein material found in the epidermis, hair and nails |
| lesion | area of pathologically altered tissue |
| primary lesions | lesions arising from a previously normal skin |
| macule macula | a flat, discolored spot on skin up to 1 cm (freckle) |
| patch | a flat, discolored area on skin larger than 1 cm (vitiligo) |
| papule | a solid mass on the skin up to 0.5 cm in diameter (mole) |
| plaque | a solid mass greater than 1 cm that extends deeper into the epidermis |
| tumor | a solid mass larger than 1-2 cm |