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What are blood vessels that deliver blood to other blood vessels called?
Vasa vasorum
What tissue is the tunica externa made from?
connective tissue
What type of arteries are thick walled w/ large lumen near the heart and function as a pressure reservoir?
Elastic arteries
Where do arterioles deliver blood too?
capillaries
What is the on/ off blood flow into capillaries (opening/ closing of precapillary sphincters)?
Vasomotion
What type of capillaries are found in the kidneys and small intestines?
Fenestrated
What type of blood vessel is not designed to withstand high pressure?
Veins
Describe varicose veins
weak or leaky valves, causing the back flow and pooling of blood
What is the movement of dissolved or suspended material in the same direction in response to pressure?
Bulk flow
What is physical force exerted by fluid on a structure (blood vessel)?
Hydrostatic pressure
What is colloid osmotic pressure?
the pull of water back into a tissue by the tissues concentration of proteins
What is the movement of material into interstitial fluid called?
Filtration
What is the movement from interstitial fluid into capillaries?
Reabsorption
What is edema?
the abnormal increase in interstitial fluid, when filtration exceeds reabsorption
What is angiogenesis?
The growth of new blood vessels
Name 2/4 things that increase blood flow with vasodilation
Increased metabolic needs, infection. tissue damage, high blood volume or pressure, fight or flight
