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

2. epidermis
Papillary layer
Reticular layer
dermis
Finger skin

3. 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)

4. Meisser’s corpuscle, touch receptor

5. 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

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

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

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

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

10. The end!