OMENTUM

(Lat.), n. n. Om-e2nt'u3m(um). Fr.. o. Ger., Netz. A double fold of the peritonaeum connecting one abdominal viscus with another. [L.] See Great o. Gastric o., Gastrocolic o. See Great o. Gastro-hepatic o. See Le er o. Gastro-splenic o. See Gastru-splenic LIGAMENT. Greater o., Great p. Lat., o. majus. Ger., gro es Netz. A duplicature of the peritonaeum which descends from the lower border of the stomach in front of the intestines to the level of the pelvis, where it turns and ascends to the colon, which, after separating, it includes between its two layers. Above the colon it consists of two layers, and below it of four. The layers are separable in the young, but not in the adult. It contains more or le adipose ti ue, and on the left side is continuous with the gastro-splenic o. [L, 31, 142, 172, 332.] Hepato-gastric o., L.e er o. Lat., o. minus. Ger., kleines Netz. A double layer of the peritonaeum which extends between the transverse fi ure of the liver and the le er curvature of the stomach. On the left side the two layers include the oesophagus, but on the right they form a free margin, and inclose the hepatic ve els and nerves and the duct us choledochus communis. Its superior layer is continued on to the inferior surface of the liver and the le er curvature of the stomach, and the inferior layer on to the posterior surface of the stomach and the lower posterior aspect of the liver. Posterior to it lies the foramen of Wiuslow [L, 31, 142, 172, 332.] O. arietinum. Sp., redaiio del camera [Sp. Ph.]. The o. of the sheep. [B. 95 (o, 38).] Omenta cerebri. An old term for the cerebral meninges. [L.] O. colicuin. That portion of the great o. in foetal life which becomes in the adult the hepato-colic ligament. [L.] O. gastro-colicum. See Great o. O. gastro-hepaticum. See Le er o. O. majus. See Great o. O. minus. See Le er o.O. o eum. See PERIOSTEUM. [s. 138]