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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)