n-ter-ee, mez-]
| the membrane, consisting of a double layer of peritoneum, that invests the intestines, attaching them to the posterior wall of the abdomen, maintaining them in position in the abdominal cavity, and supplying them with blood vessels, nerves, and lymphatics, esp. the part of this membrane investing the jejunum and ileum. |
mesentery mes·en·ter·y (měz'ən-těr'ē, měs'-)
n.
A double layer of peritoneum attached to the abdominal wall and enclosing in its fold certain organs of the abdominal viscera.
A fold of the peritoneum that connects the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum.