only in thick skin

only in thick skin - - only in thick skin Stratum Corneum:...

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- only in thick skin Stratum Corneum: outermost layer; 20-30 cell layers thick - protects skin with keratin & thick plasma membranes; glycolipids prevent water loss - dead cells: cornified or horny cells Dermis: strong, flexible connective tissue reticular fibers - rich supply of nerve fibers, blood vessels & lymphatic vessels - houses hair follicles, oil & sweat (sudoriferous) glands - papillary layer: upper layer composed of areolar connective tissue touch receptors (Meissner's corpuscles) dermal ridges on palms of hand & soles of feet form epidermal ridges - genetically determined pattern of ridges; leaves fingerprint - reticular layer: lower layer (most of thickness of dermis); composed of dense irregular connective tissue thick collagen fiber bundles form lines of cleavage (tension lines) in skin; used in surgery (incisions made parallel to lines to speed healing)
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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only in thick skin - - only in thick skin Stratum Corneum:...

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