Back ثقبة وركية كبرى Arabic Foramen ischiadicum majus German Foramen ciático mayor Spanish Grand foramen ischiatique French Grande foro ischiatico Italian 큰궁둥구멍 Korean Otwór kulszowy większy Polish Veliki sedalni otvor Serbian 坐骨大孔 Chinese
| Greater sciatic foramen | |
|---|---|
 The pelvis showing the greater sciatic foramen in red | |
| Details | |
| Identifiers | |
| Latin | foramen ischiadicum majus |
| TA98 | A03.6.03.008 |
| TA2 | 1316 |
| FMA | 17031 |
| Anatomical terminology | |
The greater sciatic foramen is an opening (foramen) in the posterior human pelvis. It is formed by the sacrotuberous and sacrospinous ligaments. The piriformis muscle passes through the foramen and occupies most of its volume. The greater sciatic foramen is wider in women than in men.