where is 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, and several distinctions can be made based upon the location of a structure relative to this line:evelopmentally, this line represents the hindgut-proctodeum junction. It is an important anatomical landmark, and several distinctions can be made based upon the location of a structure relative to this line: