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15 Cards in this Set
- Front
- Back
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What is the function of the lymphatic system?
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To conserve fluid and plasma proteins that leak out of the capillaries
To form a major part of immune system that defends the body against disease Absorbs lipids from the intestinal tract |
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Is lymph palpable everywhere it is located?
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No
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Spleen
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left upper quadrant of abdomen
4 functions: -to destroy old RBCs -to produce antibodes -to store RBCs -to filter microorganisms from the blood |
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Tonsils
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Palatine, adenoid, and lingual (3 total)
Located at entrance to respiratory and GI tract Respond to local inflammation |
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Thymus
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flat pink gray gland located in superior mediastinum behind the sternum and in front of the aorta
atrophies at puberty, large in size until then important in developing T lymphocytes of the immune system in children serves no function in adults |
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Lymph nodes
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small oval clumps of lymphatic tissue located at intervals along the vessels. They function to filter the fluid before it is returned to the bloodstream and filter filter out microorganisms that could be harmful to the body. Nodes become swollen and tenderwhen pathogens are exposed to lymphocytes in lymph nodes and mount an antigen specific response to eliminate the pathogens
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Cervical nodes
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drain head and neck
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Axillary nodes
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drain breast and upper arm
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Epitrochlear node
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drains hand and lower arm
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Inguinal nodes
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drain most of the lymph in lower extremity, external genitalia, and anterior abdominal wall
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How does the lymphatic system defend the body?
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through phagocytosis
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What would happen without lymphatic drainage?
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fluid buildup would produce edema
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What causes enlarged nodes?
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infection
malignancies immunologic diseases |
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What propels the lymphatic system?
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skeletal muscles
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Right lymphatic duct vs thoracic duct
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Right lymphatic duct
Empties into right subclavian vein Drains right side of head and neck, right arm, right side of thorax, right lung and pleura, right side of the heart, and right upper section of liver Thoracic Duct Drains the rest of the body Empties into left subclavian vein |
