In dictionaries:
extraperitoneal space
The extraperitoneal space is the portion of the abdomen and pelvis which does not lie within the peritoneum.
extraperitoneal fascia
(also: endoabdominal fascia or subperitoneal fascia) a fascial plane – consisting mostly of loose areolar connective tissue – situated between the fascial linings of the walls of the abdominal and pelvic cavities (transversalis fascia, anterior layer of thoracolumbar fascia, iliac fascia, and psoas fascia) externally, and the parietal peritoneum internally.
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