mesenteric ganglion


The lowest of the sympathetic prevertebral ganglions located at the origin of the inferior mesenteric artery from the aorta of the heart and containing the sympathetic neurons innervating the descending and sigmoid colon; inferior mesenteric ganglion.
A paired sympathetic ganglion at the origin of the superior mesenteric artery; superior mesenteric ganglion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.