Finger skin (No.14) Head skin (No.5)

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Presentation transcript:

Finger skin (No.14) Head skin (No.5) Jun Zhou （周俊） School of Medicine, Zhejiang University

epidermis Papillary layer Reticular layer dermis Finger skin

Epidermis Dermis hypodermis Finger skin (No.14) The stratum basal The stratum spinosum The stratum granulosum The stratum lucidum The stratum corneum Dermis Papillary layer Reticular layer hypodermis Finger skin (No.14)

Meisser’s corpuscle, touch receptor

Sweat gland in the reticular layer Secretory portion Simple pyramidal epi. Myoepi.cell Basement membrane Ducts Stratified cuboidal Epi. Sweat gland in the reticular layer

Epidermis Dermis hairs Head skin (No.5) Sebaceous glands Arrector pili muscles Sweat glands Head skin (No.5)

Head skin Hair Hair trunk Hair root Hair follicle Sebaceous glands Arrector pili muscles Head skin

Hair bulb Dermal papilla Root sheath Dermal sheath (CT sheath)

Sebaceous glands Ducts end at upper part of hair follicle Filled with lipid droplets

The end!