Accessory structures of the skin

6 terms by tsimmelk

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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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