Cutaneous Pathology: Skin Structure and Function
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Questions and Answers

What is the origin of the sebaceous gland hair follicle?

  • From the epidermal stem cell population
  • From the same epithelium of the external root sheath (correct)
  • From the dermal papillae
  • From the infundibulum

    • What is the lifespan of the stratified cells in holocrine secretion?

  • 8 days (correct)
  • 30 days
  • 15 days
  • 60 days

    • What is the function of the follicular bulge?

  • To form hair shafts
  • To contract and cause goosebumps
  • To produce sebum
  • To regenerate epithelial structures (correct)

    • What occurs in 2nd degree burns?

    <p>Re-epithelialization occurs through migration of follicular bulge stem cells</p> Signup and view all the answers

    What is the term for the 'goosebump' phenomenon?

    <p>Arrector pili</p> Signup and view all the answers

    What is the role of the dermal papillae in wound healing?

    <p>To regenerate epithelial structures</p> Signup and view all the answers

    What is the function of the infundibulum?

    <p>To expel sebum from sebaceous glands</p> Signup and view all the answers

    What are the specialized cells of the epidermis mentioned in the text?

    <p>Langerhans cells, Merkel cells, melanocytes</p> Signup and view all the answers

    What type of secretion occurs in sebaceous glands?

    <p>Holocrine</p> Signup and view all the answers

    What is the consequence of 3rd degree burns?

    <p>Skin repair is often slow and incomplete</p> Signup and view all the answers

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