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
The hindgut (or epigaster) is the posterior (caudal) part of the alimentary c ...
, a line which divides the upper two thirds and lower third of the anal canal
*
Pectinate muscles, 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 o ...
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