The paravesical spaces are paired avascular spaces of the pelvis. The paravesical spaces generally contain fat, but can become filled with ascites, blood, or other substances during pathological processes.
- Superior: lateral umbilical folds
- Inferior: pubocervical fascia as it inserts into the tendinous of the levator ani muscle
- Anterior: arcuate rim of the ileum
- Posterior: endopelvic fascial sheath covering the internal iliac artery and vein. The cardinal ligament divides the paravesical spaces from the pararectal spaces.
- Medial: bladder pillars
- Lateral: pelvic walls, obturator internus and levator ani muscles
- Continuous with the retropubic space (space of Retzius), which lies medially
- Continuous with the infrarenal space, which lies superiorly