Pathway 13-2-7 Lymphocyte + Mast Cell
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Pathway 13-2-7 Lymphocyte + Mast Cell

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@EnviableKoto

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Questions and Answers

Which type of lymphocytes were predominantly found in the dental pulps of human teeth?

  • Macrophages
  • B lymphocytes
  • T8 (suppressor) lymphocytes (correct)
  • Dendritic cells
  • What does the presence of macrophages, dendritic cells, and T lymphocytes in the pulp indicate?

  • The pulp is free from any immune functions.
  • The pulp is primarily involved in digestion.
  • The pulp has cells needed for immune response initiation. (correct)
  • The pulp is solely supported by B lymphocytes.
  • Which statement is true regarding B lymphocytes in the normal uninflamed pulp?

  • B lymphocytes are rarely present in normal uninflamed pulp. (correct)
  • B lymphocytes are the main immune cells present in pulp.
  • B lymphocytes are abundant in the normal pulp.
  • -
  • What is the primary role of mast cells in inflammatory reactions?

    <p>To release anticoagulants and inflammatory mediators (heparin +histamine)</p> Signup and view all the answers

    Where are mast cells commonly found in the body?

    <p>In small groups associated with blood vessels in connective tissues</p> Signup and view all the answers

    Which substance found in mast cell granules is known for its role as an anticoagulant?

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

    Under what condition are mast cells most likely to be found in dental pulp?

    <p>In chronically inflamed pulps</p> Signup and view all the answers

    Which of the following is NOT a component of mast cell granules?

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

    Study Notes

    Lymphocyte Presence In Teeth

    • T lymphocytes have been found in normal pulps of human teeth.
    • T8 (suppressor) lymphocytes are the most common type of T lymphocytes found in dental pulp.
    • Lymphocytes are also present in the pulps of impacted teeth.
    • The pulp contains macrophages, dendritic cells, and T lymphocytes, vital components for immune responses.
    • B lymphocytes are rarely found in healthy, uninflamed pulp.

    Mast Cell Location

    • Found primarily in connective tissues
    • Usually located in small groups near blood vessels
    • Rarely found in healthy pulp tissue
    • Frequently found in chronically inflamed pulps

    Mast Cell Function

    • Involved in inflammatory reactions

    Mast Cell Contents

    • Contain granules filled with:
      • Heparin (an anticoagulant)
      • Histamine (an inflammatory mediator)
      • Other chemical factors

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