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Integumentary System
Terms of the Integumentary Systems LO 5.1
Term | Definition |
---|---|
skin/integument | largest body organ |
3 main layers of skin | epidermis, dermis, and the subcutaneous or hypodermis |
epidermis | outer layer of skin, ranges from 1/200 to 1/20 of an inch thick and consists of several strata |
squamous epithelium | cells that make up the epithelium |
stratified squamous epithelium | the layers that make up the squamous epithelium |
melanocyte | cell in epidermis that produces the pigment melanin |
subcutaneous | layer of skin containing fatty tissue |
keratin | a waterproof barrier that keeps microorganisms out and moisture in, they fill up the cells in the stratum corneum |
stratum corneum | top sublayer of the epidermis |
stratum germinativum | bottom layer of the epidermis where new cells are produced |
found in dermis layer | connective tissue that holds many capillaries, lymph cells, nerve endings, sebaceous and sweat glands, and hair follicles. |