Ischial spine

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Ischial spine
Gray343.png
Capsule of hip-joint (distended). Posterior aspect. (Spine of ischium labeled at upper left.)
Gray341.png
Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. (Spine of ischium labeled at center left.)
Details
Latin Spina ischiadica
Spina ischiaca
Spina ischialis
Identifiers
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.

Surfaces[edit]

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.

Clinical Significance[edit]

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

Additional images[edit]

References[edit]

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

External links[edit]