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lumbar ganglion in Medicine

lumbar ganglion

n.
  1. Any of four or more ganglions on either side of the greater psoas muscle, forming the abdominopelvic portion of the sympathetic trunk with the sacral and coccygeal ganglions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.