Skin Theory •Skin Theory •Skin Disorders •Skin Care Dermatology The study of skin, its structures, function, diseases and treatment. Seven Functions of Skin 1. Protection 2. Regulation (hot, cold) 3. Absorption 4. Hydration 5. Excretion (toxins) 6. Respiration 7. Sensation (touch) Epidermis • Outermost layer of the skin. – Also referred to as cuticle or scarf skin Dermis • The underlying, or inner, layer of the skin. – Also called derma, corium, cutis or true skin Dermis (True Skin) • Connective tissue: contains collagen and elastin fibers; supports epidermis. Sudoriferous Glands • Sweat Glands • Three Functions – Regulate body temperature – Excrete waste – Maintain acid pH Sudoriferous gland Sebaceous Glands • Oil Glands • Sac-like Sebaceous Gland glands attached to hair follicle that produce sebum. Sebum • Secretion of high fatty, oily substances