Oral Mucosa Histology Overview
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Questions and Answers

What type of gland is the sebaceous gland?

  • Merocrine gland
  • Holocrine gland (correct)
  • Endocrine gland
  • Apocrine gland
  • Where does the root of the hair terminate?

  • Sebaceous gland
  • Sweat gland
  • Hair bulb (correct)
  • Hair papilla
  • Which layer of the dermis contains fewer cells and thick elastic fibers?

  • Papillary layer
  • Reticular layer (correct)
  • Both have similar characteristics
  • None of the above
  • Where is the hair papilla located?

    <p>Upward invagination to the hair bulb</p> Signup and view all the answers

    Which part of the sweat gland consists of coiled secretory parts and ducts?

    <p>Secretory cells</p> Signup and view all the answers

    What is the key histological difference between the mucous side and the transitional zone of the lip?

    <p>Number and arrangement of connective tissue papillae</p> Signup and view all the answers

    What is the function of the stratum lucidum in the epidermis?

    <p>Insulating layer preventing fluid evaporation</p> Signup and view all the answers

    Why does the vermillion zone of the lip appear red?

    <p>Presence of numerous blood capillaries near the surface</p> Signup and view all the answers

    What can be inferred about the epithelial rete pegs in the transitional zone?

    <p>They are longer and contribute to the red appearance</p> Signup and view all the answers

    How do melanoblasts contribute to the histology of the epidermis in black races?

    <p>Filling all epithelial layers and connective tissue papilla</p> Signup and view all the answers

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