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The linea terminalis or innominate line consists of the pubic crest, pectineal line (pecten pubis), the arcuate line, the sacral ala, and the sacral promontory. [ 1 ] It is the pelvic brim , which is the edge of the pelvic inlet .
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 in humans, and forms the boundary between the anal canal and the rectum according to the anatomic definition. [ 1 ]
Dental anatomy is a field of anatomy dedicated to the study of human tooth structures. The development, appearance, and classification of teeth fall within its purview. The development, appearance, and classification of teeth fall within its purview.
Pectineal line may refer to: Pectineal line (femur) Pectineal line (pubis) Pectinate line, border between anal canal and rectum This page was last edited on 29 ...
The pectineal line of the pubis (also pecten pubis) is a ridge on the superior ramus of the pubic bone. It forms part of the pelvic brim. Lying across from the pectineal line are fibers of the pectineal ligament, and the proximal origin of the pectineus muscle. [1] In combination with the arcuate line, it makes the iliopectineal line. [2]
On the posterior surface of the femur, the intermediate ridge or pectineal line is continued to the base of the lesser trochanter and gives attachment to the pectineus muscle. References [ edit ]
The pelvic brim is an approximately butterfly-shaped line passing through the prominence of the sacrum, the arcuate and pectineal lines, and the upper margin of the pubic symphysis. The pelvic brim is obtusely pointed in front, diverging on either side, and encroached upon behind by the projection forward of the promontory of the sacrum.
The pectineal ligament, sometimes known as the inguinal ligament of Cooper, is an extension of the lacunar ligament. It runs on the pectineal line of the pubic bone . The pectineal ligament is the posterior border of the femoral ring .