Body of ischium
|Bone: Body of ischium|
|Right hip bone. External surface. (Ischium is at bottom left.)|
|Capsule of hip-joint (distended). Posterior aspect.|
|Latin||corpus ossis ischii|
|Gray's||subject #57 235|
Its external surface forms part of the lunate surface of the acetabulum and a portion of the acetabular fossa.
Its anterior border projects as the posterior obturator tubercle.
From its posterior border there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.
Above and below the spine
Above the spine is a large notch, the greater sciatic notch.
Below the spine is a smaller notch, the lesser sciatic notch.
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 As such, some of the information contained herein may be outdated.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.