1. Skin Identification
Unit 4

2. mar38871_1101L.jpg Hair Shaft Epidermis Stratum corneum Stratum basale
Sebaceous gland
Dermis
Arrector pili muscle
Hair follicle
Sweat gland
Subcutaneous
layer
Blood vessels

3. mar38871_1102L.jpg Hair shaft Sebaceous gland Hair root
Arrector pili muscle
Hair follicle
Sweat gland

4. Skin Tissues Epidermis = stratified squamous epithelial tissue
Contains keratin and melanin
Dermis = connective tissue (collagen & elastic fibers), epithelial tissue, smooth muscle tissue, nervous tissue, and blood
Subcutaneous layer = loose connective tissue (adipose)

5. mar38871_1103aL.jpg
Epidermis
Dermis

6. mar38871_1103bL.jpg Epidermis Dermis Arrector pili muscle
Sebaceous gland

7. mar38871_1103cL.jpg
Hair Follicle

8. mar38871_1103dL.jpg
Epidermis
Dermis
Sweat gland