An anal valve is a small horizontal fold uniting the inferior ends of any two adjacent
anal columns of the
anal canal
The anal canal is the part that connects the rectum to the anus, located below the level of the pelvic diaphragm. It is located within the anal triangle of the perineum, between the right and left ischioanal fossa. As the final functional s ...
. An anal valve forms the inferior boundary of an
anal sinus. The anal valves demarcate the level of the
pectinate line
The pectinate line (dentate line) is a line which divides the upper two-thirds and lower third of the anal canal. Developmentally, this line represents the hindgut- proctodeum junction.
It is an important anatomical landmark in humans, and fo ...
.
References
External links
* — "The Female Pelvis: The Rectum"
Digestive system
{{digestive-stub