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Daniel Urbina 1st Period, Integumentary system - Coggle Diagram
Daniel Urbina 1st Period, Integumentary system
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layers of the skin
Epidermis: thin, outer layer of stratified squamous epithelium
Stratum basale: innermost layer, dividing layer
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Stratum corneum:outermost layer; dead, flattened, keratinized cells;these are continually being shed from the outer skin surface
Stratum lucidumlayer between the stratum granulosum and the stratum corneum, which is found only in the thick skin of the palms and soles
Dermis:thicker, inner layer of connective tissue, blood vessels,smooth muscle, and nervous tissue Basement membrane separates epidermis from dermis, and
anchors these layers together
Subcutaneous Layer Layer underneath dermis,consisting of areolar and adipose tissues.Binds skin to underlying tissues, but is not part of the skin.Adipose tissue insulates to conserve body heat.Contains major blood vessels that supply the skin
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Accessory organs
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Hair Each hair develops from epithelial stem cells at the base of a tube-like depression called the hair follicle