Description

The extraperitoneal space is the portion of the abdomen and pelvis which does not lie withinperitoneum.
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:

  • prevesical space
  • perivesical space
  • perirectal space

Images

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