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descending colon

[koh-luh n]
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noun Anatomy.
  1. the last portion of the colon, beginning at the upper left abdomen in the region of the spleen and continuing downward along the left posterior wall to the sigmoid flexure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
descending colon in Medicine

descending colon

n.
  1. The part of the colon extending from the left colic flexure to the pelvic brim.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.