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 (A)</p> Signup and view all the answers

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

<p>Secretory cells (C)</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 (A)</p> Signup and view all the answers

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

<p>Insulating layer preventing fluid evaporation (A)</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 (C)</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 (A)</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 (B)</p> Signup and view all the answers

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