Pectinate may refer to:
*
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
A proctodeum is the back ectodermal part of an alimentary canal. It ...
, a line which divides the upper two thirds and lower third of the anal canal
*
Pectinate muscles
The pectinate muscles (musculi pectinati) are parallel muscular ridges in the walls of the atria of the heart.
Structure
Behind the crest ( crista terminalis) of the right atrium the internal surface is smooth. Pectinate muscles make up the pa ...
, parallel ridges in the walls of the atria of the heart
* A salt of the heteropolysaccharide
pectin
Pectin ( grc, πηκτικός ': "congealed" and "curdled") is a heteropolysaccharide, a structural acid contained in the primary lamella, in the middle lamella, and in the cell walls of terrestrial plants. The principal, chemical component of ...
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