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

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.

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

[edit] Additional images

Schematic figure of the bursa omentalis, etc. Human embryo of eight weeks.

Diagrams to illustrate the development of the greater omentum and transverse mesocolon.

[edit] See also

• Terms for anatomical location

[edit] External links

• ii/g/GREATER_SAC article at GE's Medcyclopaedia
• peritoneum at The Anatomy Lesson by Wesley Norman (Georgetown University)
• Diagram at ccccd.edu
• Dissection video at University of Bristol