Extraperitoneal_space
The extraperitoneal space is the portion of the abdomen and pelvis which does not lie within the peritoneum.
It includes:
- Retroperitoneal space, situated posteriorly to the peritoneum
- Preperitoneal space, situated anteriorly to the peritoneum
- Retropubic space, deep to the pubic bone
- Retro-inguinal space, deep to the inguinal ligament
The space in the pelvis is divided into the following components:[1]
- prevesical space
- perivesical space
- perirectal space
