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| Is an unpaired artery that subdivides almost immediately into three branches; the left gastric artery, the splenic artery, and the common hepatic artery. |
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| The more major branches of the descending aorta are those serving the abdominal organs and ultimately the lower limbs. The celiac trunk, Superior mesenteric artery, R &L Renal arteries, R &L Gonadal arteries, and Inferior mesenteric artery come off the abdominal aorta |
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| Branches off the Celiac Trunk and supplies the stomach |
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| Branches off the Celiac Trunk, runs superiorly and gives off branches to the stomach, duodenum, and pancreas. The right gastric artery, Gastroduodenal artery, and the R&L hepatic arteries branch off from here. |
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| Branches off the celiac trunk. Supplies the spleen. The left gastroepiploic artery branches off here |
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| Superior Mesenteric artery |
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| branches off the abdominal aorta. It is the largest branch of the abdominal aorta and supplies most of the small intestine and the first half of the large intestine. |
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| Branches off the abdominal aorta. Supply the kidneys |
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| Branches off the abdominal aorta just below the renal arteries, run inferiorly to serve the gonads |
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| Inferior Mesenteric artery |
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| Branches off the abdominal aorta. This is the final branch of the abdominal aorta which supplies the distal half of the large intestine via several branches |
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| Much longer than the superior vena cava, returns blood to the heart from all body regions below the diaphragm. The hepatic vein, R&L renal veins, and R&L gonadal veins drain into it |
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| Branch off the inferior vena cava, the right and left hepatic veins drain the liver. The hepatic portal vein carries blood from the digestive tract to the capillaries in the liver which then drain into the hepatic vein |
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| Veins draining the digestive tract organs empty into the hepatic portal vein which carries blood to the liver to circulated in the capillaries and drained into the hepatic vein |
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| Blood vessels of the hepatic portal circulation drain the digestive viscera, spleen, and pancreas and deliver this blood to the liver for processing via the hepatic portal vein. IF a meal has recently been eaten the hepatic portal blood will be nutrient rich. The liver is the key body organ involved in maintaining proper sugar, fatty acid, and amino acid conc in the blood and this system ensures that these substances pass through the liver before entering the systemic circulation. The Gastric veins, Superior Mesenteric Vein, and the Splenic Vein drain into this |
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| The left gastric vein, which drains the lesser curvature of the stomach, drains directly into the hepatic portal vein |
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| Receives blood from the small intestine and the ascending and transverse colon and then unites with the splenic vein to form the hepatic portal vein |
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| The inferior mesenteric vein joins the splenic vein, which drains the spleen and part of the pancreas and stomach |
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| Drains the distal portion of the large intestine and joins the splenic vein |
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| The paired renal veins drain the kidneys and drain into the inferior vena cava |
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| The right gonadal vein drains blood from the right ovary or testis into the inferior vena cava. The left gonadal vein drains blood from the left ovary or testis into the left renal vein superiorly |
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| Major veins inferior to heart |
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| major arteries inferior to heart |
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