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What are lymphocytes and their role in the immune system?
- What are lymphocytes and their role in the immune system?
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The detailed answer for the above question is provided below Playing a crucial role in the defense against pathogens and foreign substances lymphocytes are an essential component of the immune system They are produced in the bone marrow and undergo maturation in the lymphoid organs such as the thymus and spleen A significant function of lymphocytes is their capacity to identify and respond to specific antigens Antigens are molecules located on the surface of pathogens or other foreign substances that stimulate an immune response Lymphocytes have distinct receptor molecules on their surface referred to as CD molecules or clusters of differentiation which enable them to detect and bind to particular antigens There are two primary types of lymphocytes B cells and T cells B cells are responsible for generating antibodies which are proteins capable of neutralizing pathogens or marking them for destruction by other immune cells T cells on the other hand have diverse roles in coordinating immune responses and directly attacking infected or abnormal cells The CD molecules found on the surface of lymphocytes play a vital role in regulating their activation and function These molecules serve as markers aiding researchers and clinicians in identifying and classifying various types of lymphocytes based on their specific CD profiles For instance CD4 and CD8 are commonly used markers to differentiate between helper T cells and cytotoxic T cells respectively Comprehending the intricacies of lymphocyte ...
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Cambridge International AS And A Level Biology
Authors: Mary Jones, Richard Fosbery, Jennifer Gregory, Dennis Taylor
4th Edition
1107636825, 978-1107636828
