Anal sinuses
An anal sinus (rectal sinus) is a furrow formed between any two adjacent anal columns of the anal canal. An anal sinus is limited inferiorly by an anal valve (which unites the inferior ends of a pair of adjacent anal columns). The anal glands open into the anal sinuses.[1]
| Anal sinuses | |
|---|---|
 Coronal section of rectum and anal canal | |
 The interior of the anal canal and lower part of the rectum, showing the anal columns and the anal valves between their lower ends (the columns were more numerous in the specimen than usual) | |
| Details | |
| Identifiers | |
| Latin | Sinus anales |
| TA98 | A05.7.05.006 |
| TA2 | 3013 |
| FMA | 76584 |
| Anatomical terminology | |
References
- Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 315. ISBN 978-0-7295-3752-0.
External links
- Anatomy photo:43:11-0106 at the SUNY Downstate Medical Center — "The Female Pelvis: The Rectum"
- pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (rectum)
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