OVERVIEW OF THE IMMUNE SYSTEM
LYMPHATIC TISSUES AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What do Peyer’s Patches do?
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Generates “memory” lymphocytes for long term memory
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“lymph filters”
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causes T cells to become immunocompetent
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“invite” infection which creates wide variety of immune cells
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Explanation:
Detailed explanation-1: -Peyer’s patches, in the gut, and nasopharynx-associated lymphoid tissue (NALT)-two of the main components of MALT-are important inductive tissues for the generation of mucosal immunity through the ingestion and inhalation of antigen in the intestinal and respiratory tracts respectively1 (Fig. 1).
Detailed explanation-2: -Naïve lymphocytes immigrate into the PP via specialized high endothelial venules. Naïve or active lymphocytes leave the PP via efferent lymphatic vessels at the serosal side of the PPs which connect the PPs to the mesenteric lymph nodes (MLN).
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