BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What best describes a lymph node?
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Type of pathogen that attacks the immune system
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Special kind of immune cell found in the lymph
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Any organ being attacked by pathogens
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A capsule in the lymph vessels that are filled with B cells and T cells
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Explanation:
Detailed explanation-1: -The capsule of the lymph node is dense connective tissue stroma and collagenous fibers. The capsule sends trabeculae inside the lymph node, which pass inward, radiating towards the center.
Detailed explanation-2: -Afferent lymphatic vessels enter the lymph node through the capsule peripherally and efferent lymphatic vessels leave the node via the hilum.
Detailed explanation-3: -Thin reticular fibers (reticulin) of reticular connective tissue form a supporting meshwork inside the node. The lymph node capsule is composed of dense irregular connective tissue with some plain collagenous fibers, and a number of membranous processes or trabeculae extend from its internal surface.
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