Sources
Help build the largest human-edited directory on the web.
Submit a site - Become an editor
Wikipedia. Licensed under the GNU Free Documentation License.
Are you an expert in this subject? Join the discussion and share your knowledge at Wikipedia.org.
Anal triangle
From Wikipedia, the free encyclopedia
| Anal triangle | |
|---|---|
 |
|
| 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.) | |
| Latin | regio analis |
| Dorlands/Elsevier | r_07/12700160 |
The anal triangle is the posterior part of the perineum. It contains the anal canal.
Contents |
The anal triangle can be defined either by its vertices or its sides.
- Vertices
- one vertex at the coccyx bone
- the two ischial tuberosities of the pelvic bone
- Sides
- perineal membrane (posterior)
- the two sacrotuberous ligaments
Some components of the anal triangle include:
- Ischiorectal fossa
- Sacrotuberous ligament
- Sacrospinous ligament
- Pudendal nerve
- Internal pudendal artery and Internal pudendal vein
- Anal canal
- Muscles
 Articulations of pelvis. Posterior view. |
 The superficial branches of the internal pudendal artery. |
- SUNY Labs 41:01-0202 - "The Female Perineum: Boundaries of the Female Perineum"
- Norman/Georgetown perineum
 |
This anatomy article is a stub. You can help Wikipedia by expanding it. |
Thorax: Mediastinum (Superior, Anterior, Middle, Posterior) - Superior thoracic aperture - Inferior thoracic aperture - Triangle of auscultation - Intercostal space
Thoracic diaphragm: Caval opening - Esophageal hiatus - Aortic hiatus - Central tendon
Abdomen: McBurney's point - Lumbar triangle
Perineum: Urogenital triangle - Anal triangle - Superficial perineal pouch - Perineal membrane - Deep perineal pouch - Urogenital diaphragm - Superior fascia of the urogenital diaphragm - Ischiorectal fossa - Pudendal canal