What is the primary function of secondary lymphoid tissues?
Understand the Problem
The question is asking about the primary role of secondary lymphoid tissues in the immune system, specifically which of the provided options correctly identifies this function.
Answer
Secondary lymphoid tissues activate lymphocytes by antigens.
The primary function of secondary lymphoid tissues is to provide a site for the activation of lymphocytes by antigens, which involves the maturation and survival of naïve T cells and their differentiation into effector and memory T cells.
Answer for screen readers
The primary function of secondary lymphoid tissues is to provide a site for the activation of lymphocytes by antigens, which involves the maturation and survival of naïve T cells and their differentiation into effector and memory T cells.
More Information
Secondary lymphoid tissues include lymph nodes, the spleen, and mucosal-associated lymphoid tissues. They play a crucial role in the immune surveillance and response by efficiently trapping and presenting antigens to lymphocytes.
Tips
A common mistake is to confuse the functions of primary lymphoid tissues (where lymphocytes are formed and mature) with those of secondary lymphoid tissues (where they are activated).
Sources
- Lymphoid Tissue - an overview | ScienceDirect Topics - sciencedirect.com
- Secondary lymphoid organs - NCBI - pmc.ncbi.nlm.nih.gov
- Lymphoid organs review (article) - Khan Academy - khanacademy.org
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