Term
functions of lymphatic system |
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Definition
1) returns water, ions, nutrients, gases, and plasma proteins to blood 2) involved with absorption of fats from digestive tract 3) protects against invasion of foreign substances |
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Term
lymphatic system consists of |
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Definition
1) lympathic vessels 2) lymphatic organs |
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Term
major types of lymphatic vessels (smallest to largest) |
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Definition
1) lymphatic capillaries 2) collecting vessels 3) lymphatic trunks 4) lymphatic ducts |
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Term
function of lymphatic capillaries |
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Definition
collect excess interstitial fluid and return it to the bloodstream |
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Term
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Definition
extracellular fluid in the microscopic spaces between tissue cells |
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Term
lymphatic capillaries (description) |
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Definition
lymphatic vessels located in the microscopic spaces between tissue cells |
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Term
examples of other extracellular fluids |
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Definition
1) CSF 2) synovial fluid 3) fluids of eyes and ears 4) pleural, pericardial, and peritoneal fluids between serous membranes |
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Term
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Definition
interstitial fluid that enters lymphatic capillaries |
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Term
major difference between interstitial fluid and lymph |
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Definition
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Term
where are lymphatic capillaries located? |
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Definition
in almost all tissues of the body except CNS, cartilage, epidermis, and cornea) |
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Term
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Definition
lymphatic capillaries located in the villi of small intestine |
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Term
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Definition
larger vessels formed by the merging of lymphatic capillaries |
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Term
function of collecting vessels |
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Definition
carry lymph into and out of structures called lymph nodes |
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Term
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Definition
merging of largest collecting vessels exiting the lymph nodes |
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Term
examples of lymphatic trunks |
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Definition
1) subclavian trunk 2) lumbar trunk 3) intestinal trunk 4) brochomediastinal trunk 5) jugular trunk |
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Term
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Definition
merging of lymphatic trunks in thoracic duct |
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Term
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Definition
1) thoracic duct 2) right lymphatic duct |
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Term
thoracic duct (description) |
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Definition
largest lymphatic vessel; main collecting duct of lymphatic system |
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Term
thoracic duct receives lymph from |
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Definition
left side of the head, neck, and chest, the left upper extremity, and the entire body below the ribs |
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Term
thoracic duct empties lymph into |
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Definition
venous blood at the junction of the left internal jugular vein and left subclavian vein |
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Term
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Definition
dilation of the thoracic duct |
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Term
right lymphatic duct drains lymph from |
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Definition
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Term
right lymphatic duct empties lymph into |
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Definition
venous blood at the junction of the right internal jugular vein and right subclavian vein |
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Term
lymph flows as a result of |
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Definition
1) milking action of skeletal muscle contractions 2) respiratory movements 3) valves that prevent backflow of lymph |
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Term
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Definition
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Term
lymphatic tissue is composed of |
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Definition
lymphocytes and macrophages |
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Term
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Definition
1) tonsils 2) lymph nodes 3) spleen 4) thymus gland |
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Term
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Definition
1) pharyngeal (adenoid) 2) palatine 3) lingual |
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Term
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Definition
provide protection against bacteria and other foreign substances that can enter the pharynx from the nasal or oral cavities |
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Term
lymph nodes (description) |
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Definition
structures located along collecting vessels that filter lymph to remove damaged cells and microorganisms |
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Term
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Definition
macrophages and lymphocytes |
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Term
what is the largest lymphatic organ? |
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Definition
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Term
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Definition
upper left quadrant between the stomach and diaphragm |
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Term
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Definition
1) immune responses 2) filters blood 3) RBC production in fetus |
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Term
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Definition
between sternum and heart |
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Term
thymus gland is the site of |
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Definition
site of T cell maturation |
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