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341 Chpt 16
Lymphatic system
| Question | Answer |
|---|---|
| 3 Functions of lympatic system | Return excess IS fluid to blood, transport digested lipids to blood via lacteals, help provide immunity |
| Names of lymphatic vessels (smallest to largest) | capillaries, vessels, trunks, ducts |
| Thoracic duct | Drains lymph from most of body and empties in left subclavian vein |
| Right Lymphatic duct | drains head and upper right portion of body and empties into the right subclavian vein |
| Red bone marrow | Mature B cells, immature T cells |
| Thymus gland | Mature T cells |
| Primary lympatic organs | Sites of lymph cell production and maturation |
| Secondary lympatic organs | Sites of immune activity (lymph nodes, nodules, spleen) |
| Lymph nodes | Lymph tissue covered by capsule. Lymph is cleaned and filtered. |
| Lymph nodules | Masses of lymph tissue without capsule (tonsils, peyer's patches, and appendix) |
| Spleen | Large mass of lymphatic tissue with thick capsule |
| Stroma | Outer portion of spleen |
| Parenchyma | Inner portion of spleen |
| White pulp | Mostly lympocytes and macrophags (cleans and filters) |
| Red pulp | Venous sinuses, immune cells remove old, damaged RBC from blood, and store platelets until needed |
Created by:
Kayerenee
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