• A double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines.
  NCI
  U.S. National Cancer Institute, 2021
• A layer of the peritoneum which attaches the abdominal viscera to the ABDOMINAL WALL and conveys their blood vessels and nerves.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Heterogeneous anatomical cluster, each instance of which has as its direct parts instances of two laminae of visceral peritoneum and regional parts of some gastrointestinal tract, vascular tree and neural tree. Examples: mesentery of small intestine, greater omentum.
  Foundational Model of Anatomy
  University of Washington, 2017
• Organ subdivision of a serous sac (organ subdivision) composed of a double layer of serous membrane that suspends a viscus from the body wall or connects adjacent viscera and in doing so conveys blood vessels, lymphatics and nerves to and from the viscera. Examples: greater omentum, broad ligament of uterus, sigmoid mesocolon.
  Digital Anatomist
  University of Washington, 2003
• Peritoneal fold attaching the small intestine to the dorsal body wall.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (mesenteric) Of, or relating to, or located in a mesentery.
  NCI
  U.S. National Cancer Institute, 2021
• (mesenteric membrane) The peritoneal membrane that attaches the intestines to the abdominal wall near the back.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Mesentery, a continuous folded band of membranous tissue (peritoneum) that is attached to the wall of the abdomen and encloses the viscera. In humans, the mesentery wraps around the pancreas and the small intestine and extends down around the colon and the upper portion of the rectum. One of its...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025