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Questions and Answers
What is the primary function of B lymphocytes in acquired immunity?
Where do T lymphocytes mature in the body?
Which cell type is primarily involved in cell-mediated immunity?
What triggers the activation of B and T lymphocytes?
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What type of immunity relies on mechanisms in place before infection?
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Study Notes
Acquired Immunity
- The body's second line of defense against infection, activated after innate immunity fails.
- Relies on B & T lymphocytes.
Types of Acquired Immunity
- Humoral Immunity: Involves B lymphocytes producing antibodies to neutralize antigens.
- Cell-mediated Immunity: Involves T cells activating macrophages and releasing cytokines to combat antigens.
Formation of B & T Lymphocytes
- Common lymphoid progenitor cells develop into hematopoietic stem cells.
- B cells mature in the bone marrow.
- T cells mature in the thymus.
- B and T cells are activated in peripheral lymphoid tissue when they encounter an antigen.
Activation of B Lymphocytes
- B cells bind to antigens through cell surface receptors.
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Description
Test your knowledge on acquired immunity, focusing on the key roles of B and T lymphocytes and their functions. Explore the concepts of humoral and cell-mediated immunity, as well as the maturation and activation processes of lymphocytes. Ideal for students studying immunology.
