SACRUM-PELVIC FASCIAL & RECTAL RELATIONS
From NeuroRehab.wiki
SUMMARY
1. Peritoneum: draped across the anterior surface of the S1-2.
2. Retroperitoneal rectum: lies against the anterior surface of S3-5.
3. The fascia of Waldeyer + superior rectal vessels: lie between the sacrum behind + peritoneum/rectum in front.
Reference(s)
R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.