dentate line

(redirected from dentate margin)
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

pec·ti·nate line

[TA]
the line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal, usually defined as being at the level of the anal valves at the bases of the anal columns.

dentate line

(1) Linea anorectalis [NA6], [NH3]—an anatomic landmark that divides the upper two-thirds from the lower third of the anal canal, and embryologically corresponds to the junction between the hindgut and proctodeum.
(2) Anocutaneous line; linea anocutanea [NH3].

pec·ti·nate line

(pek'ti-nāt līn) [TA]
The line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal, usually defined as being at the level of the anal valves at the bases of the anal columns.
Synonym(s): dentate line.
References in periodicals archive ?
Movable finger with small lobe (eminence) proximally; movable finger length 72-89% (L) or 99-105% (9) greater than length along ventroexternal carina (Table 1); dentate margins of fixed and movable fingers each with eight oblique denticle rows, in addition to short apical row of four denticles; each row terminating in large denticle at proximal and distal ends; rows slightly imbricated, terminal denticle of each row displaced distally from the main row by space of one or more denticles; internal and external supernumerary denticles present in addition to internal and external accessory denticles; fingers each with an enlarged terminal denticle.