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What does integument mean?

components of integumentary system

functions of integumentaryskinwhatonta

skin weighs

skin is used to determine

what are the 2 main regions of skin

it is the first major skin region (outside)

composed of stratified squamous epithelium

process in which new cells (with keratin) push
old cells to surface

in keratinization, how many days for a new cells to reach surface

deepest layer of the epidermis
single layer of cells

firmly attached to dermis
undergo cell division to produce millions of new cells
daily

superficial to the basal layer

It appear spiky(cell shrink but their desmosomes hold tight)
cell division occur in this layer

it is named for abundant granules in its cells
some of these contain a waterproofing glycolipid that is secreted into the extracellular space

contain the subunits of keratin
the upper border, the cells are beginning to die

It is thin translucent band of flattened dead keratinocytes

outermost layer of epidermis
20-30 layers of dead squamous cells filled with keratin

accounts for 75% of epidermal thickness
dandruff is this layer flaking off scalp