Pectineal line (pubis)
Encyclopedia
The pecten pubis or pectineal line of the pubis is a ridge on the superior ramus
of the pubic bone.
The pecten pubis forms part of the pelvic brim
.
Lying across it are fibers of the pectineal ligament
and the proximal origin of the pectineus muscle
.
In combination with the arcuate line
, it makes the iliopectineal line
.
Superior pubic ramus
The superior pubic ramus is a part of the pubic bone which forms a portion of the obturator foramen.It extends from the body to the median plane where it articulates with its fellow of the opposite side...
of the pubic bone.
The pecten pubis forms part of the pelvic brim
Pelvic brim
The pelvic brim is the edge of the pelvic inlet. It is an approximately apple-shaped line passing through the prominence of the sacrum, the arcuate and pectineal lines, and the upper margin of the pubic symphysis....
.
Lying across it are fibers of the pectineal ligament
Pectineal ligament
The pectineal ligament is an extension of the lacunar ligament that runs on the pectineal line of the pubic bone....
and the proximal origin of the pectineus muscle
Pectineus muscle
The pectineus muscle is a flat, quadrangular muscle, situated at the anterior part of the upper and medial aspect of the thigh....
.
In combination with the arcuate line
Arcuate line (ilium)
The arcuate line of the ilium is a smooth rounded border on the internal surface of the ilium. It is immediately inferior to the iliac fossa and Iliacus muscle.It forms part of the border of the pelvic inlet....
, it makes the iliopectineal line
Iliopectineal line
The iliopectineal line is the border of the iliopubic eminence. It can be defined as a compound structure of the arcuate line and pectineal line...
.