Structure and Function of Skin
    Structure and Function of Skin
    • The skin is a physical barrier that protects the 
      underlying tissues and structures from 
      microorganisms, physical trauma, ultraviolet 
      radiation, and dehydration.
    • Vital role in temperature maintenance, fluid and 
      electrolyte balance, absorption, excretion, sensation, 
      immunity, and vitamin D synthesis.
                     Copyright © 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins 
    Skin, Hair and Nails
    Skin, Hair and Nails
    • Skin- epidermis, dermis, subcutaneous 
      layers
    • Hair- vellus, terminal
    • Nails- hard, transparent plates of 
      keratinized epidermal cells
                     Copyright © 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins 
    Question
    Question
    Is the following statement True or False?
    Sebum has some fungicidal and 
    bactericidal effects.
                     Copyright © 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins 
    Answer
    Answer
    True.
    Sebum has some fungicidal and 
    bactericidal effects.
                     Copyright © 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins 
    Question
    Question
    Is the following statement True or False?
    Asians and Native Americans have 
    strong body odor.
                     Copyright © 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins