It is a fold of membranous tissue that arises from the posterior wall of the peritoneal cavity and attaches to the intestinal tract.
A fold of the peritoneum that connects the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum. mes′en·ter′ic adj. The double layer of peritoneum which covers abdominal organs and suspends the small intestine south of the ligament of Treitz—i.e., the jejunum and the ileum. The fan-shaped fold of peritoneum suspending the greater part of the small intestines (jejunum and ileum) and attaching it to the posterior abdominal wall at the root of the mesentery (radix mesenterii). : one or more vertebrate membranes that consist of a double fold of the peritoneum and invest the intestines and their appendages and connect them with the dorsal wall of the abdominal cavity; specifically: such membranes connected with the jejunum and ileum in humans. 1. : one or more vertebrate membranes that consist of a double fold of the peritoneum and invest the intestines and their appendages and connect them with the dorsal wall of the abdominal cavity; specifically: such membranes connected with the jejunum and ileum in humans. 2. The mesentery is a fold of membranous tissue that arises from the posterior wall of the peritoneal cavity and attaches to the intestinal tract. Within it are the arteries and veins that supply the intestine. During mobilization of the small intestinal mesentery from the posterior abdominal wall, this fold is incised, allowing access to the interface between the small intestinal mesentery and the retroperitoneum. Noun. 1. mesentery-a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines. peritoneum-a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera. mesocolon-mesentery that holds the lower colon to the dorsal abdominal wall. 1. (Anatomy) the double layer of peritoneum that is attached to the back wall of the abdominal cavity and supports most of the small intestine. [C16: from New Latin mesenterium; see meso- + enteron]. (ˈmɛs ənˌtɛr i, ˈmɛz-). n., pl. • MESENTERY (noun). The noun MESENTERY has 1 sense: 1. a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines. Familiarity information: MESENTERY used as a noun is very rare. Dictionary entry details. Meaning: A double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines. Classified under: Nouns denoting body parts. Hypernyms (mesentery is a kind of...): mesentery. Definitions: 1. A double layer of peritoneum attached to the abdominal wall and enclosing in its fold a portion or all of one of the abdominal viscera, conveying to it its vessels and nerves. 2. Mesentery: In general, a fold of tissue that attaches organs to the body wall. The word mesentery usually refers to the small bowel mesentery, which anchors the small intestines to the back of the abdominal wall. Blood vessels, nerves, and lymphatics branch through the mesentery to supply the intestine. LINK / CITE ADD TO WORD LIST. noun. The definition of mesentery is the membrane that wraps around the small intestine and connects it to the wall of the abdominal cavity. An example of the mesentery is the peritoneum.  noun (plural mesenteries). A fold of the peritoneum which attaches the stomach, small intestine, pancreas, spleen, and other organs to the posterior wall of the abdomen. Example sentences. 1  For these studies, an incision was made in the abdomen, and the mesentery and small intestine were exteriorized.
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mesentery definition