Lymphatic System and Immunity

Lymphatic System and Immunity - Lymphatic System and...

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Lymphatic System and Immunity Lymph vessels-provide a filtration system for our tissue fluids. -Returns filtered fluid back to the venous system just before it dumps back into heart. Lymph vessels are found throughout the body, sort of like an auxiliary venous system. In addition to these vessels, there are several lymph tissues and organs that play an important role in lymphatic function. Lymph tissues-connective tissue dominated by lymphocytes tonsils MALT (Mucous Associated Lymphatic Tissue) Lymph organs-lymph tissue with a defined capsule and more organized internal anatomy. lymph node thymus spleen Lymphatic Tissues Tonsils -blob of connective tissue with many lymphocytes living in them. -There are 5: 2 on sides of throat (palatine tonsils), 1 in back of nasal cavity (adenoids), 2 at base of tongue (lingual tonsils) Lymphatic Organs Lymph nodes-basically biological filters (like water filters on sink) Multiple afferent (in) vessels, one efferent (out) vessel on the lymph node.
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