Ischiopubic

Ischiopubic ramus

Bone: Ischiopubic ramus

Pelvis. Ischiopubic ramus is region between "3" and "4c".

Right hip bone. External surface.

Latin ramus ischiopubicus

Dorlands
/ Elsevier r_02/12690421

The ischiopubic ramus is a compound structure consisting of the following two structures:

from the pubis, the inferior pubic ramus
from the ischium, the inferior ramus of the ischium

It serves as part of the origin for the Obturator internus muscle.

It also marks a vertex of the anal triangle and the urogenital triangle.

The fascia of Colles is attached to its margin.

External links

SUNY Labs 41:os-0101 - "The Female Perineum"
SUNY Anatomy Image 9554
Norman/Georgetown pelvis (pelvisposterior, pelvissuperior2)

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Bones of pelvis / pelvic cavity

General	sacrum, coccyx, hip bone

Ilium	body (arcuate line) wing: gluteal lines (posterior, anterior, inferior) – fossa – iliac spines (anterior superior, anterior inferior, posterior superior, posterior inferior) – crest – tuberosity

Ischium	body (ischial spine, lesser sciatic notch) – superior ramus (tuberosity of the ischium) – inferior ramus

Pubis	body – superior ramus (pubic tubercle, pubic crest, obturator crest) – inferior ramus (pectineal line)

Compound	acetabulum (acetabular notch) – iliopubic eminence / iliopectineal line – linea terminalis – ischiopubic ramus / pubic arch obturator foramen – greater sciatic foramen / greater sciatic notch – lesser sciatic foramen lesser pelvis (pelvic inlet, pelvic brim, pelvic outlet) – greater pelvis

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