earthycouple -> RE: questions about anal (6/10/2007 7:10:25 AM)
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ORIGINAL: Aswad quote:
ORIGINAL: earthycouple Just one point of clarification ... is this part of the vagus nerve actually located such that it might get "pinched", or is it "wrapping" the muscle, or simply passing nearby? The former of these would seem harder to deal with. It is passing nearby. There is a TON of medical jargon here...but with googling some of these terms it may help. http://www.bartleby.com/107/205.html "On the right side, the nerve passes across the subclavian artery between it and the right innominate vein, and descends by the side of the trachea to the back of the root of the lung, where it spreads out in the posterior pulmonary plexus. From the lower part of this plexus two cords descend on the esophagus, and divide to form, with branches from the opposite nerve, the esophageal plexus. Below, these branches are collected into a single cord, which runs along the back of the esophagus enters the abdomen, and is distributed to the postero-inferior surface of the stomach, joining the left side of the celiac plexus, and sending filaments to the lienal plexus. 6 On the left side, the vagus enters the thorax between the left carotid and subclavian arteries, behind the left innominate vein. It crosses the left side of the arch of the aorta, and descends behind the root of the left lung, forming there the posterior pulmonary plexus. From this it runs along the anterior surface of the esophagus, where it unites with the nerve of the right side in the esophageal plexus, and is continued to the stomach, distributing branches over its anterosuperior surface; some of these extend over the fundus, and others along the lesser curvature. Filaments from these branches enter the lesser omentum, and join the hepatic plexus."
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