dentate line

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 ?
The swelling that localized on distal of dentate line and covered by anoderm was diagnosed as external hemorrhoid.
A linear straight stapler was used to divide the prolapse in the right and left lateral quadrants approximately 2 cm above the dentate line (Figures 1,2).
Internal opening of fistulas are usually located at the level of the dentate line (5) except for the extrasphincteric fistulas.
[12] The key point in understanding the feasibility of outpatient department is that there are no sensory nerve fibres above the dentate line (Pectinate) line in the anus which is at the submucosal junction.
Inguinal lymph node metastases are recognized with high frequency in rectal adenocarcinoma invading the dentate line. The histological features at the invasive front may predict inguinal lymph node metastasis.
Additionally, we used a questionnaire to register such indices as clinical signs and symptoms, staple-line bleeding requiring suture, distance of the staple line from the dentate line, length of the operation (from the beginning of anal dilatation until the removal of traction sutures), and duration of the patients' disease.
Incidental finding of dilated venous columns above the dentate line.'
One week later, 4 X 1mL injections of DxHA were administered approximately 5 mm above the dentate line at the posterior, anterior, left lateral, and right lateral positions without complications.
RBL is a procedure in which haemorrhoidal tissue 1-2cm above dentate line is grasped, pulled into the barrel of an elastic band applicator and a small elastic band is slipped over it.
One should always include rectal mucosa down to dentate line. One can opt for one, two or three stage procedure in elective setting.
The perforation site on the lateral rectal wall was identified 10 cm above the dentate line. The laceration was repaired endoscopically using 9 hemoclips (Olympus MD 59 HX-3L) [Figure 2].
[6] and was performed by a single experienced surgeon as follows: TST consists of two rows of 33 mm diameter titanium staples; the obturator was inserted into the anus for full dilatation; the three-window anoscope with the obturator was inserted into the anus again; the obturator was pulled out (Figure 1(a)); the mucosa was sutured using a 2/0 Vicryl suture (Ethicon, Cincinnati, OH, USA), at 3-4 cm above the dentate line; the TST was opened to the maximum; the 2/0 Vicryl suture was tied to the rod of the TST (Figure 1(b)); the stapler was strained and fired; and the TST was removed from the anal canal.