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Questions and Answers
Which type of lymphocytes were predominantly found in the dental pulps of human teeth?
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?
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?
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.
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What is the primary role of mast cells in inflammatory reactions?
What is the primary role of mast cells in inflammatory reactions?
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Where are mast cells commonly found in the body?
Where are mast cells commonly found in the body?
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Which substance found in mast cell granules is known for its role as an anticoagulant?
Which substance found in mast cell granules is known for its role as an anticoagulant?
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Under what condition are mast cells most likely to be found in dental pulp?
Under what condition are mast cells most likely to be found in dental pulp?
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Which of the following is NOT a component of mast cell granules?
Which of the following is NOT a component of mast cell granules?
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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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