Anal valves

The anal valves or valves of Ball are small valve-like folds at the lower ends of the anal sinuses in the rectum. The anal valves join together the lower ends of the anal columns. The anal sinuses are located between them. The valves and sinuses form the pectinate line.[1]

Anal valves
The interior of the anal cami 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)
LatinValvulae anales
Anatomical terminology

See also


This article incorporates text in the public domain from page 1185 of the 20th edition of Gray's Anatomy (1918)

  1. Standring, Susan (2008). Gray's Anatomy - The Anatomic Basis of Clinical Practice, 40th Edition. Section 8: Elsevier Health Sciences UK. p. 1156. ISBN 9780702047534.

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