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The inferior phrenic artery is a bilaterally paired artery of the abdominal cavity which represents the main source of arterial supply to the diaphragm. Each artery usually arises either from the coeliac trunk or the abdominal aorta, however, their origin is highly variable and the different sites of origin are different for the left artery and right artery.
The inferior phrenic veins drain the diaphragm and follow the course of the inferior phrenic arteries; the right ends in the inferior vena cava; the left is often represented by two branches, one of which ends in the left renal or suprarenal vein,
Inferior phrenic arteries; Superior phrenic arteries This page was last edited on 29 December 2019, at 18:39 (UTC). Text is available under the Creative Commons ...
The superior phrenic artery is a bilaterally paired artery of the thoracic cavity. The two arteries provide arterial supply to the superior surface of the diaphragm. Each artery typically arises from either (the inferior portion of [1]) the descending part of the thoracic aorta or the 10th intercostal artery. [2]
Celiac and cranial mesenteric ganglion . 1 Crus sinistrum , 2 hiatus aorticus, 3 Aorta, 4 Arteria lumbalis, 5 Nervus splanchnicus major, 6 Arteria coeliaca, 7 Arteria phrenica caudalis, 8 Celiac ganglion, 9 Plexus coeliacus, 10 Inferior mesenteric ganglia, 11 superior mesenteric plexus, 12 Superior mesenteric artery, 13 Nervus splanchnicus ...
The pericardiacophrenic arteries travel through the thoracic cavity.They course through the fibrous pericardium. [2] The pericardiacophrenic artery accompanies the phrenic nerve between the pleura and pericardium, to the diaphragm. [3]
As with most nerves in the neck, multiple anatomic variants have been described. Notably, there may be variability in the course of the phrenic nerve in the retro-clavicular region such that the nerve courses anterior to the subclavian vein, rather than its typical position posterior to the vein (between the subclavian vein and artery). [3]
The LGA usually arises from (the superior aspect of) the coeliac trunk - sometimes as a terminal branch of a trifurcation, and more rarely as a side branch of the splenic artery or of common hepatic artery. Sometimes it originates directly from aorta or from arteria phrenica inferior. [2]