组织学与胚胎学e11 SKIN.ppt
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1、Skin General outline skin is the biggest organ of the human body is composed of epidermis,dermis and some accessory organs the function of the skin:barrier and protection sensory organ excrete body temperature regulation cholesterol metabolism absorbing some materialsEpidermis:keratinized stratified
2、 squamous epithelium contains 2 cell types:Keratinocyte stratum basalestratum spinosumstratum granulosumstratum lucidumstratum corneumunkeratinocytemelanocyteLangergans cellMerkel cellDermis:located beneath the epidermis Reticular layer:Papillary layer:a thin layer of LCT;contain capillary plexuses and Meissners corpusclesunder the papillary later;consists of irregular DCT;contain large blood vessels,accessory organs of skin,nerve,and Pacinian corpusclesAccessory organs of skin:hair sebaceous gland sweat gland
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- 组织学与胚胎学e11 SKIN 组织学 胚胎学 e11
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