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Greater sac

Greater sac

The greater sac or general cavity (red) and lesser sac, or omental bursa (blue).

Horizontal disposition of the peritoneum in the upper part of the abdomen.
Gray's	subject #246 1156
Dorlands/Elsevier	s_01/12716750

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 of the lesser sac.

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It is connected with the lesser sac via the epiploic foramen, also known as the Foramen of Winslow.

Additional images

v • d • e Peritoneal ligaments, mesenteries, and folds
From ventral mesentery	Lesser omentum: Hepatoduodenal ligament - Hepatogastric ligament Liver: Coronary ligament (Left triangular ligament, Right triangular ligament, Hepatorenal ligament) - Falciform ligament (Round ligament of liver and Ligamentum venosum in it, but not of it)
From dorsal mesentery	Greater omentum: Gastrophrenic ligament - Gastrocolic ligament - Gastrosplenic ligament Mesentery: Transverse mesocolon - Sigmoid mesocolon - Mesoappendix - Root of the mesentery Splenorenal ligament - Phrenicocolic ligament
Uterus/ovaries	Broad ligament of the uterus (Mesovarium, Mesosalpinx, Mesometrium) - Ovarian ligament - Suspensory ligament of the ovary
Folds	Umbilical folds (Supravesical fossa, Medial inguinal fossa, Lateral inguinal fossa) - Ileocecal fold - Rectouterine folds
Recesses	Rectouterine pouch - Vesicouterine excavation - Rectovesical excavation - Pararectal fossa - Paravesical fossa
Peritoneal cavity	Greater sac - Lesser sac - Foramen of Winslow