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The pecten pubis (a.k.a. pectineal line) is the sharp upper border of the superior pubic ramus. It starts behind the pubic tubercle and extends laterally behind the iliopubic eminence, merging with the arcuate line of the ilium.
Medial to the anterior inferior iliac spine is a broad, shallow groove, over which the iliacus and psoas major muscles pass. This groove is bounded medially by an eminence, the iliopubic eminence (or iliopectineal eminence), which marks the point of union of the ilium and pubis. It constitutes a lateral border of the pelvic inlet.
The iliopectineal line is the border of the iliopubic eminence. [1] It can be defined as a compound structure of the arcuate line (from the ilium) and pectineal line (from the pubis). With the sacral promontory, it makes up the linea terminalis. [2]
Together, the arcuate and pectineal lines are collectively known as the iliopectineal line. When combined with other structures such as the sacral promontory, ala of the sacrum, pubic crest, and pubic symphysis, they form the linea terminalis.
25 wrz 2021 · The medial border of the ilium forms the iliopectineal or iliopubic line, which exhibits an iliopectineal or iliopubic eminence and meets the superior pubic arch. The gluteal surface faces dorsolaterally, shows three long and prominent ridges called the posterior, anterior and inferior gluteal lines which roughly demarcate the attachments of ...
(a) The iliopectineal line comprises the anterior column of the acetabulum, and the ilioischial line is the posterior column. The anterior and posterior walls of the acetabulum can be...
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 .