part of part of Homo sapiens innominate bone pubic crest of pubis of os coxa 2026-03-19T00:00:00Z A crest forming the thick, rough, horizontal ridge on the superior surface of the pubic body of the pubis of the os coxa (innominate bone), extending medially from the pubic tubercle to the pubic symphysis and providing attachment for the rectus abdominis and pyramidalis muscles. skeletal element projection crest David Osumi-Sutherland