omentum

(redirected from omentum majus)
Also found in: Dictionary, Thesaurus, Encyclopedia.

omentum

 [o-men´tum] (L.)
a fold of peritoneum extending from the stomach to adjacent abdominal organs. adj., adj omen´tal.
gastrocolic omentum greater omentum.
gastrohepatic omentum lesser omentum.
greater omentum a peritoneal fold attached to the anterior surface of the transverse colon.
lesser omentum a peritoneal fold joining the lesser curvature of the stomach and the first part of the duodenum to the porta hepatis.
omentum ma´jus greater omentum.
omentum mi´nus lesser omentum.

o·men·tum

, pl.

o·men·ta

(ō-men'tŭm, -tă), [TA]
A fold of peritoneum passing from the stomach to another abdominal organ.
[L. the membrane that encloses the bowels]

omentum

(ō-mĕn′təm)
n. pl. omen·ta (-tə) or omen·tums
One of the folds of the peritoneum that connect the stomach with other abdominal organs, especially:
a. The greater omentum.
b. The lesser omentum.

o·men′tal (-təl) adj.

o·men·tum

, pl. omenta (ō-men'tŭm, -ta) [TA]
A fold of peritoneum passing from the stomach to another abdominal organ.
[L. the membrane that encloses the bowels]

omentum

(o-ment'um) plural.omenta [L. omentum, adipose membrane]
Enlarge picture
OMENTUM
A double fold of peritoneum attached to the stomach and connecting it with certain of the abdominal viscera. It contains a cavity, the omental bursa (lesser peritoneal cavity). See: illustration

gastrocolic omentum

Greater omentum.

gastrohepatic omentum

Lesser omentum.

greater omentum

The portion of the omentum that is suspended from the greater curvature of the stomach and covers the intestines like an apron. It is the largest of the folds of the peritoneum. It dips in among the folds of the intestines and is attached to the transverse colon and mesocolon. It contains fat, prevents friction, and aids in localizing infections.
Synonym: gastrocolic omentum

lesser omentum

The portion of the omentum that passes from the lesser curvature of the stomach to the transverse fissure of the liver.
omental (o-ment'al), adjective

omentum

One of two double folds of PERITONEUM, the greater and lesser omenta, that hang down like aprons from the liver and stomach over the coils of small intestine. The omenta usually contain fat and are often effective in sealing down and localizing areas of inflammation of the peritoneum (PERITONITIS). Also known as the epiploon.