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26 Cards in this Set
- Front
- Back
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Thoracic duct |
Largest lymphatic vessel Runs parallel to the thoracic aorta Travels up and empties into left subclavian vein |
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Lymphatic circulation |
1. Lymphatic Capillaries 2. Lymphatic collecting vessels 3. Lymphatic trunks 4 . Right lymphatic duct 5. Thoracic duct |
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Lingual tonsils (paired) |
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Palatine tonsils (paired) |
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Pharyngeal tonsils (unpaired) |
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Afferent vessels |
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Efferent vessel |
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Thymus |
Superior to heart Where T cells mature before they go to lymph nodes |
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Nodules Clusters of B lymphocytes and T lymphocytes awaiting activation but foreign antigens |
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Germinal centers Contains actively dividing B cells |
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Spleen |
Lateral and posterior to stomach Filters toxins from blood |
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Lymph node |
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Lymphatic vessel |
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Thoracic duct |
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Axillary lymph nodes |
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Lymph nodules |
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Cortex of lymph node |
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Medulla of lymph node |
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Lymph nodes |
Filter pathogens, cellular debri, and cancer cells |
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T Cells |
- 80% of all circulating lymphocytes - associated with cell mediated immunity |
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B Cells |
Become plasma cells 15% of circulating lymphocytes Associated with antibody mediated immunity |
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Plasma cells |
Secrete antibodies |
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Antibodies |
Cause the agglutination of pathogens |
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Functions of the lymphatic system |
Returns lymph to veinous blood flow |
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R lymphatic duct |
Collects lymph from the R side of the head, neck, chest, arm, and hand |
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Thoracic duct |
Collects lymph from the left side of the head, neck, chest, arm, hand, and all of the body below the diaphragm |
