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16 Cards in this Set
- Front
- Back
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Makes up the walls of arteries and veins
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TUNICS
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-inner layer
-made of endotheial cells -connective tissue & elastic fibers -no resistance to blood flow |
TUNICA INTIMA
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-middle layer
-made of smooth muscle(contracts) -made of elastic fibers(expands) |
TUNICA MEDIA
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-external layer
-made of connective tissue (sound waves reflect off of these) |
TUNICA ADVENTITIA
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-carries blood AWAY from heart
-elastic b/c thick tunica media -larger |
ARTERIES
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-collapsible
-thinner tunica media -slower blood flow -contains VALVES |
VEINS
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-connect venous & arterial systems
-turns from arterial to venous |
CAPILLARIES
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-retroperitoneal
-left of spine -anterior to muscles -originates in left ventricle(thoracic aorta) -largest artery of body |
AORTA
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-Root of aorta
-Ascending aorta(LV) -Descending aorta(Aortic Arch) -Abdominal aorta(past diaphragm) -Bifurcation |
5 SECTIONS OF
AORTA |
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root,ascending, & decending till diaphragm
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THORACIC
AORTA |
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-celiac trunk
-Superior Mesenteric Artery-SMA -Inferior Mesenteric Artery-IMA |
ANTERIOR BRANCHES
OF ABDOMINAL AORTA |
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-closer to surface
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CELIAC TRUNK
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-smallest
-can't see on U/S -feeds stomach and esophagus |
LEFT GASTRIC
ARTERY- |
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-largest
-feeds spleen,stomach,and pancreas |
SPLENIC ARTERY
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-feeds liver,pancreas,bifurcates to GAD & RGA
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COMMON HEPATIC
ARTERY |
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-feeds stomach & duodeum
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GASTRODUODENAL
ARTERY |
