Skin Identification Unit 4
mar38871_1101L.jpg Hair Shaft Epidermis Stratum corneum Stratum basale Sebaceous gland Dermis Arrector pili muscle Hair follicle Sweat gland Subcutaneous layer Blood vessels
mar38871_1102L.jpg Hair shaft Sebaceous gland Hair root Arrector pili muscle Hair follicle Sweat gland
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)
mar38871_1103aL.jpg Epidermis Dermis
mar38871_1103bL.jpg Epidermis Dermis Arrector pili muscle Sebaceous gland
mar38871_1103cL.jpg Hair Follicle
mar38871_1103dL.jpg Epidermis Dermis Sweat gland