Here's an example from Hannibal where the mesentery is just completely absent.

The cuts were all clean and carefully separated from the mesentery.

Investigation revealed a tumor infiltrate in the small intestine and mesentery.

Most of them originate from the intestinal mesentery and the omentum.

The intervening mesentery is transected, and perfusion is assessed with indocyanine green fluorescence imaging.

At laparotomy an ill-defined, lobulated mass with cystic areas was noted rising from the mesentery.

The most common location is the mesentery, but this tumor occasionally develops in the pancreas.

The GI symptoms are caused by hemorrhage and edema within the bowel and wall mesentery.

The fixing is accomplished by means of the thin membranous plate that we call the mesentery.

The vertebrate intestine has a continuous dorsal mesentery between pharynx and anus that facilitates intestinal mobility.

Sclerosing mesenteritis is a chronic and extremely rare inflammatory process that predominantly affects the small bowel mesentery.

There are also traces, more abundant in the lower forms, of the still more primitive ventral mesentery.

Cystic lymphangioma of the small-bowel mesentery is a rare manifestation of an intraabdominal tumor in elderly patients.

Frozen section biopsy of the cystic mass revealed a non-Hodgkin follicle center B-cell lymphoma of the mesentery.

There was a tear in the transverse mesocolon and a crush injury in the small bowel mesentery.

The dorsal mesentery (DM) is the major conduit for blood and lymphatic vessels in the gut.