LECTURE 5 lymphatic system Flashcards

1
Q

functions of lymphatic sytem

A

to collect excess tissue fluid collecting at arteriole end of capillary beds, and return leaked blood proteins to blood (maintain osmotic pressure needed to take up water into bloodstream)

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2
Q

lymph is moved through vessels

A

lymph moves cranially with very low pressure, pulse of nearby arteries (helps movement), contraction of surrounding skeletal muscle, regular movement of body, muscle in tunica media

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3
Q

lymph

A

clear fluid from loose CT at capillaries; contains small molecules of blood plasma, water, various ions, nutrient molecules, respiratory gases

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4
Q

lymphatic capillaries

A

smallest lymphatic vessels, near blood capillaries

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5
Q

lymph collecting vessels

A

small, 3 tunics, valves

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6
Q

lymph nodes

A

sit along collecting vessels, start antibody response, clean lymph of pathogens

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7
Q

lymphatic trunks

A

convergence large collecting vessels

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8
Q

lymphatic ducts

A

largest lymphatic vessels, empty into veins of left side of neck

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9
Q

thoracic duct

A

receives lymph from large trunks in abdomen and thorax; receives lymph from ducts of thoracic lymph nodes; along vertebral bodies; contain valves to ensure one way flow of lymph to lymph nodes; drains into left brachiocephalic vein

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