Skin Identification Unit 4.

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Presentation transcript:

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