Lesser sac

Lesser sac
The lesser sac (omental bursa) shown in blue, and the greater sac (general cavity) shown in red
Details
Identifiers
Latinbursa omentalis
TA98A10.1.02.402
TA23703
FMA19800
Anatomical terminology

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.