Epithelial Cells Structure and Types
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Questions and Answers

What is the characteristic of pseudostratified epithelial cells?

  • They are typically found in the uterine glands.
  • They are composed of multiple layers of cells.
  • They have a long column-like shape.
  • They appear to be multiple cells but are actually a single type of cell. (correct)

    • What is the function of microvilli in epithelial cells?

  • To increase the surface area for absorption (correct)
  • To sense the environment
  • To provide movement
  • To secrete hormones

    • Which type of epithelial cell is characteristically found in the intestine and uterine glands?

  • Cuboidal
  • Tubular (correct)
  • Columnar
  • Squamous

    • What is the process by which merocrine glands release their product?

    <p>Vesicles fuse with the cell surface membrane to secrete the product.</p> Signup and view all the answers

    What is the characteristic of holocrine glands?

    <p>The mature cell dies to secrete the product.</p> Signup and view all the answers

    What is the main difference between exocrine and endocrine glands?

    <p>The presence or absence of a duct system.</p> Signup and view all the answers

    What is the primary function of columnar epithelial cells?

    <p>Absorption of nutrients</p> Signup and view all the answers

    What is the characteristic that distinguishes stratified epithelial cells from simple epithelial cells?

    <p>The presence of multiple layers of cells</p> Signup and view all the answers

    What type of epithelial cell is typically found in the respiratory tract?

    <p>Pseudostratified epithelial cells</p> Signup and view all the answers

    What is the function of stereocilia in epithelial cells?

    <p>Sense organs</p> Signup and view all the answers

    What is the characteristic of tubular glands?

    <p>They are found in the intestine and uterine glands</p> Signup and view all the answers

    What is the process by which apocrine glands release their product?

    <p>Part of the cell is pinched off to release the product</p> Signup and view all the answers

    What is the primary function of cilia in epithelial cells?

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

    Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?

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

    What is the main difference between simple and stratified epithelial cells?

    <p>Number of layers</p> Signup and view all the answers

    What is the function of microvilli in absorptive epithelial cells?

    <p>Increase surface area for absorption</p> Signup and view all the answers

    Which type of gland is characterized by the release of its product into the bloodstream?

    <p>Endocrine gland</p> Signup and view all the answers

    What is the characteristic of columnar epithelial cells?

    <p>Absorptive function</p> Signup and view all the answers

    What is the function of stereocilia in epithelial cells?

    <p>Detect sensory stimuli</p> Signup and view all the answers

    What is the characteristic of cuboidal epithelial cells?

    <p>Cuboidal shape</p> Signup and view all the answers

    What is the primary function of the basement membrane in epithelial cells?

    <p>To separate the epithelial cells from the underlying supporting tissue</p> Signup and view all the answers

    What is the characteristic shape of squamous epithelial cells?

    <p>Slightly irregular</p> Signup and view all the answers

    What is the primary function of endothelial cells?

    <p>To line the inner surface of blood vessels and lymphatic vessels</p> Signup and view all the answers

    What is the characteristic of glands that release their product into the bloodstream?

    <p>They have no duct system and release the product directly into the bloodstream</p> Signup and view all the answers

    What is the primary function of cilia in epithelial cells?

    <p>To facilitate the movement of substances across the epithelial cell layer</p> Signup and view all the answers

    What is the characteristic of secretory epithelial cells?

    <p>They have a lumen that crosses the cell</p> Signup and view all the answers

    What is the primary function of microvilli in epithelial cells?

    <p>To increase the surface area of the epithelial cell for absorption</p> Signup and view all the answers

    What is the characteristic of coiled glands?

    <p>They are characterized by a coiled shape, such as sweat glands</p> Signup and view all the answers

    What is the primary function of the basement membrane in epithelial cells?

    <p>To separate the epithelial cells from the underlying supporting tissue</p> Signup and view all the answers

    What is the primary function of exocrine glands?

    <p>To release products onto the epithelial surface or via ducts</p> Signup and view all the answers

    What is the characteristic of glands that release their products through a duct system?

    <p>Exocrine glands</p> Signup and view all the answers

    What is the primary function of secretory epithelial cells?

    <p>To produce and release secretory products</p> Signup and view all the answers

    Which type of gland is characterized by the release of its product into the bloodstream?

    <p>Endocrine glands</p> Signup and view all the answers

    What is the characteristic of stratified epithelial cells?

    <p>They have multiple layers of cells</p> Signup and view all the answers

    What is the primary function of endothelial cells?

    <p>To line the inner surface of blood vessels and lymphatic vessels</p> Signup and view all the answers

    What is the primary function of the basement membrane in epithelial cells?

    <p>To separate epithelial from underlying supporting tissue</p> Signup and view all the answers

    What type of epithelial cell is characterized by finger-like projections called microvilli?

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

    Which type of gland is characterized by the release of its product into the bloodstream?

    <p>Endocrine gland</p> Signup and view all the answers

    What is the primary function of cilia in epithelial cells?

    <p>To facilitate movement</p> Signup and view all the answers

    Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?

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

    What is the characteristic of simple epithelial cells?

    <p>Only one layer of cells</p> Signup and view all the answers

    What is the primary function of secretory epithelial cells?

    <p>To secrete products</p> Signup and view all the answers

    Which type of gland is characterized by the release of its product through a duct system?

    <p>Exocrine gland</p> Signup and view all the answers

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