Ischial spine

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.)
Details
Identifiers
Latin	Spina ischiadica Spina ischiaca Spina ischialis
Dorlands /Elsevier	s_18/12749322
TA	A02.5.01.205
FMA	17028
Anatomical terms of bone []

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.

Right hip bone, external surface, showing the greater and lesser sciatic notches, separated by the ischial spine.

Articulations of pelvis. Anterior view.

PELVIS. ANTERIOR VIEW.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)