Term
- Tunica intima
- Tunica media
- Tunica adventitia
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Definition
| What are the three layers of vessels? |
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Term
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Definition
| The inner layer of a vessel thats consists of endothelial cells which lines the lumen, a layer of delicate connective tissue, and elastic layer made up of a network of elastic fibers. |
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Term
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Definition
| Which vessel layer has an elastic layer made of a network of elastic fibers? |
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Term
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Definition
| Middle layer of a vessel, which consists of smooth muscle fibers with elastic and collagenous tissue |
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Term
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Definition
| External layer of a vessel, which is composed of loose connective tissue with bundles of smoot muscle fibers and elastic tissue |
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Term
THe middle layer in arteries
are thicker |
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Definition
| what is the difference between layers in arteries and veins? |
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Term
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Definition
| hollow tubes that carry blood away from the heart |
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Term
Less elastic tissue and more
smooth muscles |
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Definition
| Small arteries contain less what and more what than larger ones? |
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Term
Important in maintaining a
steady blood flow |
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Definition
Elasticity of the larger arteries are
important for what? |
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Term
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Definition
| Hollow collapsible tubes with diminished tunica media that cary blood toward the heart |
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Term
they contain little elasitc tissue or
muscle within their walls |
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Definition
| Why can veins become collapsed? |
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Term
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Definition
| Veins have a larger diameter than arteries do, and they move blood more what? |
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Term
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Definition
| Contains valves that prevent backflow and permit blood to flow only in one direction toward the heart |
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Term
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Definition
The greater the cein has to work against gravity the more or less valves there will
be within? |
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Term
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Definition
| Minute hair-size vessels connecting the arterial and venous systems |
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Term
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Definition
| Capillary walls have how many layers? |
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Term
| Cells and tissues of the body receive their nutrients from the fluids passing through, as well as waste products froms the cells pass through |
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Definition
| What passes through the capillaries? |
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Term
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Definition
| Arteries that don't end in capillary beds, which are end to end grafts between different vessels that equalize pressure over vessel length and also provide alternative flow channels |
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Term
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Definition
| Largest principle artery of the body |
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Term
- Root
- ascending aorta
- descending aorta
- abdominal aorta
- bifurcation of the aorta into iliac arteries
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Definition
| what are the five sections of the aorta? |
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Term
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Definition
| Arises from the left ventricular outflow tract in the heart |
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Term
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Definition
| Arises a short distance from the ventricle and arches superior to for the aortic arch |
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Term
- Right innominate artery
- left common carotid artery
- left subclavian artery
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Definition
| The ascending aorta forms what three arterial branches? |
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Term
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Definition
| descends posteriorly along the back wall of the heart through the thoracic cavity where it pierces the diaphragm |
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Term
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Definition
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Term
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Definition
The aorta is retroperitoneal.
True or false? |
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Term
Internal and external
iliac arteries |
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Definition
| the rigt and left common iliac arteries further divide into what? |
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Term
- Celiac Trunk
- superior mesenteric artery
- Right and left renal arteries
- Inferior mesenteric artery
- gonadal arteries
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Definition
| what are the branches of the aorta? |
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Term
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Definition
| First major branch of the abdominal aorta, thats leaves the anterior wall just after the aorta passes through the diaphragm |
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Term
- Left gastric
- comon hepatic
- splenic arteries
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Definition
What are the 3 branches of the
celiac trunk? |
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Term
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Definition
Supplies the cardiac region of
the stomach |
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Term
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Definition
| Crosses to the right and enters the porta hepatic at the liver |
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Term
- Proper hepatic artery
- gastroduodenal artery
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Definition
| The common hepatic artery branches into what? |
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Term
| Cystic artery that supplies blood the the gallbladder |
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Definition
| The gastroduodenal artery further branches into what that's function is what? |
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Term
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Definition
| the largest branch of the celiac trunk |
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Term
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Definition
- passes to the left behind the stomach and along the upper border of th pancreas to enter the hilumm of the spleen
- gives off numerous pancreatic branches that supply the pancreas
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Term
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Definition
Tortuous vessel that forms the superior
border of the pancreas |
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Term
Superior mesenteric artery
(SMA) |
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Definition
- second vessel to leave the anterior wall of the aorta
- branches off within centimeters of the celiac trunk
- Courses anteriortly and inferiorly to branch into several arteries that supply the majority of the small intestine as well as the ascending and transverse colon
- Takes parallel course to the aorta
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Term
| Inferior mesenteric artery |
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Definition
- Third to branch off the celiac trunk
- Branches to supply the distal portion of the transverse colon, descending and sigmoid colon and rectum.
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Term
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Definition
| Arise from the lateral walls of the aorta just below the superior mesenteric artery |
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Term
right renal artery because
it hase to go behind the IVC |
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Definition
| Which renal artery is longer? |
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Term
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Definition
- originate from the anterior wall of the aorta just inferior to the renal arteries
- descend along the psoas muscles
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Term
- Testicular arteries
- Ovarian arteries
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Definition
Male and female gonadal arteries are
termed what? |
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Term
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Definition
| Formed by the union of the common iliac veins posterior to the right common iliac artery, is retroperitoneal |
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Term
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Definition
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Term
- Lumbar veins
- Right gonadal vein
- renal vein
- hepatic veins
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Definition
| IVC tributaries are what? |
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Term
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Definition
| Where does the left gonadal vein empty? |
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Term
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Definition
| Arise from the hilum of the kidneys |
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Term
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Definition
Left renal vein is longer.
T or F? |
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Term
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Definition
| Hepatic veins are broke down into what? |
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Term
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Definition
| Collect blood from the liver parenchyma |
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Term
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Definition
| Carries blood from the intestines to the liver |
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Term
- Splenic vein
- Superior mesenteric vein
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Definition
The union of what forms the
portal vein? |
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Term
Arteries have to withstand
more pressure |
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Definition
| Do which vessels have to withstand more pressure, therefore they are thicker? |
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Term
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Definition
- Produced by left side of heart
- high pressure
- Top number
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Term
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Definition
- Produced by the right side of the heart
- Lower
- Bottom number
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Term
Arteries - oxygenated blood
Veins - deoxygenated blood |
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Definition
| which vessels are oxygenated and which are not? |
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Term
- Fetal circulation - the umbilical vein carries oxygenated blood, and umbilical arteries carry deoxygenated blood
- Pulmonary artery and vein are functionally reversed
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Definition
| What are the two exceptions of oxygenated and deoxygenated vessels? |
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Term
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Definition
| What two body areas is blood flow unique? |
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Term
| Artery>arteriole>capillary>venule>vein |
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Definition
| What is the normal blood flow? |
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Term
| The hepatic artery conveys blood to the liver cells to provide nourishment and energy.There is sumultaneously free mixing of portal venous and hepatic artery blood (oxygenated and deoxygenated). Blood is then carried away via hepatic veins. |
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Definition
| Reason we cannot live without the liver, the reason its blood flow is abnormal? |
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Term
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Definition
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Term
| Kidneys have 2 capillary beds. The additional set enables it to maintain a state of blood pressure equilibrium |
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Definition
| Reason kidney's blood flow is abnormal? |
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