What is the pathway of the vascular system? - ✔✔L ventricle, Aorta, Arteries, Arterioles,
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Precapillary arterioles, blood capillaries, post capillary venule, venules, veins, R atrium, R
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ventricle, lungs, L atrium || || ||
Is the lymphatic system a closed system? - ✔✔No
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Edema vs. Lymphedema - ✔✔Edema:
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-accumulation of water in the tissues. || || || || ||
-symptom ||
-dynamic insufficiency || ||
Lymphedema:
-abnormal accumulation of water and protein.|| || || || ||
-disease ||
-mechanical insufficiency ||
What can cause edema? - ✔✔renal failure, kidney disease, heart conditions, pregnancy,
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venous insufficiencies||
Most common cause of lymphedema in the US and worldwide? - ✔✔-US: ALND/excision
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and radiation with breast cancer
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-Worldwide: filariasis ||
What is lymphatic load made up of? - ✔✔Water, proteins, cells, LCFA (Fat)
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, How much water is returned to venous system by thoracic duct in 24 hours? - ✔✔2-4 liters
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What is the route fat takes to be returned to venous system? - ✔✔Small intestine, GI trunk,
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cisterna chyli, thoracic duct, left venous angle
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What is the purpose of the deep lymphatic system? - ✔✔-Drains the muscles and tendons.
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-Drains the joints. || || ||
-Drains the inner organs.
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(Everything, but skin) || ||
-fascia holds back swelling, painful.
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Where are capillaries thicker? - ✔✔palms and soles of feet
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What is the pressure in the initial lymph capillaries compared to the surrounding tissue? -
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✔✔lower to create suction effect || || || ||
What do lymphatic collectors resemble? - ✔✔pearl necklace; transport lymph to regional
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lymph nodes and trunks
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what innervates the smooth muscle? - ✔✔sympathetic portion of ANS
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Functions of lymph nodes: - ✔✔-protect/filter || || || || ||
-immune (lymphocytes) ||
-thicken lymph fluid || ||
What are the borders of the medial femoral triangle and what is located here? - ✔✔-
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superior: inguinal ligament || || ||