Accessory structures of the skin flash cards

Set: Accessory structures of the skin

Term	Definition
hair	columns of dead keratinocytes held together by proteins with two main regions
shaft	first region, portion above the skin, have three circular layers of cells
root	second region, portion under the skin thru epidermis down to dermis, have three cicular layer of cells
medulla	inner, central layer
cortex	thickest layer surrounds the medulla, majority of the shaft makes up most of the hair
cuticle	outter layer, made of a single row of keratinocytes

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