Chapter 5: Integumentary System

Chapter Objectives

  1. Describe the structure and function of the hypodermis.
  2. Name and describe the two layers of the dermis.
  3. Explain the basis for dividing the epidermis into strata. List and describe each stratum.
  4. Describe the events occurring during keratinization that produce a skin resistant to abrasion and water loss.
  5. Contrast thick skin and think skin.
  6. Discuss melanocytes and the way they produce and transfer melanin.
  7. Explain how melanin, carotene, and blood affect skin color.
  8. Distinguish between lanugo, vellus, and terminal hair.
  9. Describe the structure of hair and the sheaths that surround the hair. Discuss the phases of hair growth.
  10. Describe the production of "goose flesh."
  11. Describe the glands of the skin and their secretions.
  12. Describe the parts of a nail, and explain how nails are produced.
  13. Discuss the functions of the skin, hair, nails, and glands.
  14. Describe the production of vitamin D by the body and its functions.
  15. Describe the changes that occur in the integumentary system with age.

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