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17 lip 2023 · The pericardiacophrenic veins are a minor portocaval anastomosis connecting splenic vein and superior vena cava and can become engorged in portal hypertension. Imaging the pericardiacophrenic veins (or arteries) is a reliable aid in clinical procedures that require locating the phrenic nerve.
The superior phrenic veins course along the superior surface of the respiratory diaphragm and are accompanied by the superior phrenic arteries. They descend posteriorly to unite with the hemiazygos and azygos veins.
30 paź 2023 · The superior phrenic artery is a small paired artery that arises from the anterior aspect of the lower part of the thoracic aorta, just before it passes through the aortic hiatus of the diaphragm. The superior phrenic artery supplies the posterior part of the superior surface of the diaphragm.
superior phrenic vein. n. Any of the small veins that are tributaries to the azygos and hemiazygos veins and drain the upper surface of the diaphragm. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
13 maj 2022 · Superior to the diaphragm, the aorta is called the thoracic aorta, and inferior to the diaphragm, it is called the abdominal aorta. The abdominal aorta terminates when it bifurcates into the two common iliac arteries at the level of the fourth lumbar vertebra.
Definition. The phrenic vein is a blood vessel that drains blood from the diaphragm and returns it to the venous system, typically emptying into the superior vena cava or the brachiocephalic vein. It plays a crucial role in circulating deoxygenated blood away from the diaphragm, which is essential for respiration.
17 lip 2023 · The pericardiacophrenic veins are a minor portocaval anastomosis connecting splenic vein and superior vena cava and can become engorged in portal hypertension. Imaging the pericardiacophrenic veins (or arteries) is a reliable aid in clinical procedures that require locating the phrenic nerve.
