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lymph node
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lymphatic system of the head and neck lymph node The Human Body Hodgkin disease
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lymphatic system of the head and neck
lymphatic system of the head and neck The lymphatic system of the head and neck.

lymph node

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Also known as: lymph gland
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lymph node, any of the small, bean-shaped masses of lymphoid tissue enclosed by a capsule of connective tissue that occur in association with the lymphatic vessels. As part of the lymphatic system, lymph nodes serve as filters for the blood, providing specialized tissues where foreign antigens can be trapped and exposed to cells of the immune system for destruction. They are typically found concentrated near junctions of the major lymphatic vessels, most prominently in the neck, groin, and armpits. Each lymph node is divided into two general regions, the capsule and the cortex. The capsule is an outer layer of ...(100 of 591 words)

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