epiploic appendix

n.
  1. Any of several small processes or sacs of peritoneum, generally distended with fat and projecting from the serous coat of the large intestine.epiploic appendage
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.