anatomy Ch05h - Human Anatomy McKinley & O'Loughlin...

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Human Anatomy Chapter 5: The Integumentary System The Integument o Skin is also known as the cutaneous membrane o Integumentary system The Integument o the body’s largest organ epithelium connective tissues smooth muscle neural tissue Functions of Skin a. Protection b. Prevention of water loss c. Temperature regulation d. Metabolic regulation vitamin D 3 (cholecalciferol) e. Immune defense f. Sensory reception g. Excretion
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Two Distinct Layers o The Epidermis o The Dermis The Epidermis o Composed of several strata or layers: Stratum Basale Keratinocytes Melanocytes Tactile (Merkel) cells Stratum Spinosum Epidermal dentritic (Langerhans) cells Stratum Granulosum keratinization Stratum Lucidum Stratum Corneum Thick Epidermis o Thick epidermis is found on the palms of the hands, the soles of the feet, and corresponding surfaces of the fingers and toes.
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anatomy Ch05h - Human Anatomy McKinley & O'Loughlin...

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