THE GREAT OMENTUM.
Synonyms: mesogastrium posticum, posterior mesogaster epiploön, gastro-colic omentum, omentum majus, ligamentum gastro-colicum, apron or caul.The great omentum is a double fold of peritoneum which stretches from the mid-dorsal line to the greater curvature of the stomach and concave surface of the duodenum. The mesogaster posterior and the meso-duodenum are one and the same mesentery. It is twisted into the shape of the letter S, with one loop of the S larger than the other on its stomach aspect. The ligamentum hepato-duodenale has dragged the pylorus toward the right from the atrophy of the liver. The mesogaster (posterior) or the great omentum is very long and wide, and easy to inspect. But the mesoduodenum is so changed by the rotation of the great intestinal loop that it is not readily inspected. However, if one dissects up the transverse colon it will be seen that the whole mesoduodenum