Dentate_line

Pectinate line

Pectinate line

Line dividing the upper two-thirds and the lower third of the anal canal

Not to be confused with Pectineal line (pubis).

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.

Quick Facts Details, Identifiers ...

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:

More information Distinction, Above pectinate line ...

Additional images

  • Microscopic cross section of the anorectal junction.
  • Anatomy of the anus and rectum
  • Coronal section of rectum and anal canal.

References

  1. [1]
    MD, Tao Le, MD, MHS, Vikas Bhushan, MD, Matthew Sochat, MD (2017). First aid for the USMLE step 1 2017 : a student-to-student guide. ISBN 978-0071831420.{{cite book}}: CS1 maint: multiple names: authors list (link)
  2. [2]
    Schoenwolf, Gary C.; Bleyl, Steven B.; Brauer, Philip R.; Francis-West, Philippa H. (2014-12-01). Larsen's Human Embryology. Elsevier Health Sciences. p. 372. ISBN 9781455727919.
  • pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (rectum)
Share this article:

This article uses material from the Wikipedia article Dentate_line, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.