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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 several distinctions can be made based upon the location of a structure relative to this line:

Additional images

File:Rectoanal jxn.JPG|Microscopic cross section of the anorectal junction. File:Anorectum-en.svg |Anatomy of the anus and rectum File:Gray1078.png|Coronal section of rectum and anal canal.

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External links

* () {{Authority control Category:Digestive system Category:Anatomic Landmarks