Retzius' space

Also known as:
Cave of Retzius
Space of Retzius
Retzius cavity

Synonyms:
Cavum retzii, spatium retropubicum, retropubic space.

The pre-vesical space or retro-pubic space. The prevesical space between the symphysis, the bladder, and the anterior abdominal. It contains loose connective tissue and fat and affords the surgeon access to the bladder without opening the peritoneal cavity.