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|Muscles of the female perineum. (Anal triangle is roughly equal to bottom half of diagram.)|
|Muscles of male perineum. (Anal triangle is roughly equal to bottom half of diagram.)|
The anal triangle can be defined either by its vertices or its sides.
Some components of the anal triangle include:
- Ischioanal fossa
- Anococcygeal body
- Sacrotuberous ligament
- Sacrospinous ligament
- Pudendal nerve
- Internal pudendal artery and Internal pudendal vein
- Anal canal
- Daftary, Shirish; Chakravarti, Sudip (2011). Manual of Obstetrics, 3rd Edition. Elsevier. pp. 1-16. ISBN 9788131225561.
- Anatomy photo:41:01-0202 at the SUNY Downstate Medical Center - "The Female Perineum: Boundaries of the Female Perineum"
- perineum at The Anatomy Lesson by Wesley Norman (Georgetown University) (perineumboundaries)