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Foramen of Winslow

Foramen of Winslow
Vertical disposition of the peritoneum. Main cavity, red; omental bursa, blue. (Bristle in epiploic foramen labeled at upper left.)
Foramen of Winslow is at #14.
Latin foramen epiploicum
Gray's subject #246 1156

In human anatomy, the foramen of Winslow (named after the anatomist Jean-Jacques Bénigne Winslow[1]), also known as the omental foramen, epiploic foramen and foramen epiploicum (Latin), is the passage of communication, or foramen, between the greater sac, the general cavity (of the abdomen), and the lesser sac, the omental bursa.



It has the following borders:

  • anterior: the free border of the lesser omentum. This has two layers and within these layers are the common bile duct, hepatic artery, and hepatic portal vein.
  • posterior: the peritoneum covering the inferior vena cava
  • superior: the peritoneum covering the caudate lobe of the liver
  • inferior: the peritoneum covering the commencement of the duodenum and the hepatic artery, the latter passing forward below the foramen before ascending between the two layers of the lesser omentum.

Additional images

See also


  1. ^ synd/3569 at Who Named It

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Foramen_of_Winslow". A list of authors is available in Wikipedia.
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