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14 Cards in this Set
- Front
- Back
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What are some physical feature of arteries?
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- elastic
- muscular - have arterioles |
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Exchange of substances and gases with tissues occurs in _____
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capillaries
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Larger water-soluble molecules pass through the plasma membrane of capillaries; true or false?
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False; they pass though gaps called fenestrae
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Which capillary is larger; sinusoidal or sinusoids?
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sinusoids
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What is angiogenesis?
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creation of new blood vessels
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Which part of a blood vessel is particularly sensitive to free radicals and high fat diets?
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- tunica intima
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Name the 4 types of veins.
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- small
- medium - large - portal |
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Valves are found in all veins with a diameter greater than _____ .
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2 mm
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What cause the development of varicose veins?
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- dysfunctional valves causing blood to pool
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What type of vessel supplies the wall of arteries and veins
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- vasa vasorum
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What is the difference between laminar and turbulent flow?
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laminar is streamlined and turbulent is non streamlined
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What does friction on blood vessels cause?
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it activates endothelial derived nitric oxide synthase
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What does nitric oxide cause?
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- causes vasodilation
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Look at Diagrams for pathway of bloodflow in arteries and veins.
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Diagrams.
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