Types of Capillaries
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Questions and Answers

Which type of capillary has tight junctions with intercellular clefts, allowing passage of solutes?

  • Fenestrated capillaries
  • Continuous capillaries (correct)
  • Sinusoids capillaries
  • All of the above
  • What is the primary function of fenestrated capillaries?

  • To regulate blood pressure in the spleen
  • To store blood cells in the bone marrow
  • To filter blood in the liver
  • To facilitate rapid absorption or filtration in organs such as the kidneys and small intestine (correct)
  • Which of the following locations is characterized by the presence of sinusoids capillaries?

  • Kidneys
  • Small intestine
  • Liver, bone marrow, spleen, and lymphatic organs (correct)
  • Skeletal muscle
  • What is a characteristic feature of sinusoids capillaries?

    <p>Wide gaps between endothelial cells with no basal lamina</p> Signup and view all the answers

    In which type of capillary can proteins and blood cells pass through?

    <p>Sinusoids capillaries</p> Signup and view all the answers

    Study Notes

    Types of Capillaries

    • There are three main types of capillaries

    Continuous Capillaries

    • Endothelial cell membranes form a continuous tube with tight junctions and intercellular clefts, allowing passage of solutes
    • Found in most tissues, such as skeletal muscle

    Fenestrated Capillaries

    • Characterized by fenestrations or pores in the endothelial cells
    • Located in organs that require rapid absorption or filtration, such as the kidneys and small intestine

    Sinusoids Capillaries

    • Endothelial cells are separated by wide gaps with no basal lamina, allowing molecules, including proteins and blood cells, to pass through
    • Found in organs such as the liver, bone marrow, spleen, and lymphatic organs

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    Description

    Learn about the three main types of capillaries, including continuous, fenestrated, and sinusoids capillaries, and their characteristics.

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