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In human anatomy, the omental foramen (epiploic foramen, foramen of Winslow after the anatomist Jacob B. Winslow, or uncommonly aditus; Latin: Foramen epiploicum) is the passage of communication, or foramen, between the greater sac, and the lesser sac of the peritoneal cavity.
The lesser sac, also known as the omental bursa, is a part of the peritoneal cavity that is formed by the lesser and greater omentum. Usually found in mammals, it is connected with the greater sac via the omental foramen or Foramen of Winslow. In mammals, it is common for the lesser sac to contain considerable amounts of fat.
In human anatomy, the greater sac, also known as the general cavity (of the abdomen) or peritoneum of the peritoneal cavity proper, is the cavity in the abdomen that is inside the peritoneum but outside the lesser sac. A description of the greater sac in three dimensions.
In anatomy and osteology, a foramen (/ f ə ˈ r eɪ m ən /; [1] [2] pl.: foramina, / f ə ˈ r æ m ɪ n ə / or foramens / f ə ˈ r eɪ m ən z /; from Latin 'an opening produced by boring') is an opening or enclosed gap within the dense connective tissue (bones and deep fasciae) of extant and extinct amniote animals, typically to allow passage of nerves, arteries, veins or other soft ...
The cystoduodenal ligament is also found in the lesser omentum and is distinct from both the hepatoduodenal and hepatogastric ligaments. The cystoduodenal ligament is an abnormal peritoneal fold that attaches the duodenum to the gallbladder , representing a rare variation in the anatomy of the lesser sac and its foramen.
The greater omentum (also the great omentum, omentum majus, gastrocolic omentum, epiploon, or, especially in non-human animals, caul) is a large apron-like fold of visceral peritoneum that hangs down from the stomach.
The hepatogastric ligament or gastrohepatic ligament connects the liver to the lesser curvature of the stomach.It contains the right and the left gastric arteries.In the abdominal cavity, it separates the greater and lesser sacs on the right.
The Pringle manoeuvre consists in clamping the hepatoduodenal ligament (the free border of the lesser omentum). This interrupts the flow of blood through the hepatic artery and the portal vein, which helps to control bleeding from the liver. The common bile duct is also temporarily closed during this procedure. This can be achieved using: