Ischial spine

Bone: Ischial spine
Capsule of hip-joint (distended). Posterior aspect. (Spine of ischium labeled at upper left.)
Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. (Spine of ischium labeled at center left.)
Latin s. ischialis
s. ischiadica
Gray's subject #57 235

From the posterior border of the body of the Ischium there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.

It can serve as a landmark in pudendal anesthesia.[1]

Contents

Surfaces

external surface gives attachment to the Gemellus superior
internal surface gives attachment to the Coccygeus, Levator ani, and the pelvic fascia
pointed extremity the sacrospinous ligament is attached.

Additional images

References

  1. ^ "Clinical Case - Perineum & External Genitalia". http://anatomy.med.umich.edu/reproductive_system/perineum_case.html. Retrieved 2009-05-27. 

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

External links

General
Ilium
Ischium
ischial spine · lesser sciatic notch
no substructures
Pubis
Compound

M: BON/CAR

anat(c/f/k/f, u, t/p, l)/phys/devp/cell

noco/cong/tumr, sysi/epon, injr

proc, drug(M5)