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Related to Greater sciatic foramen: obturator foramen, Piriformis, pudendal nerve, Greater sciatic notch
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  • noun

Synonyms for foramen

a natural opening or perforation through a bone or a membranous structure

References in periodicals archive ?
During the operation performed for the excision of the cyst, the cyst was observed immediately below the piriform muscle at the level of the greater sciatic foramen.
From the greater sciatic foramen the sex of both the foetuses was male.
The sciatic nerve exits the pelvis through the greater sciatic foramen along with the piriformis muscle and the superior and inferior gluteal vessels and nerves.
Cardinal features of this syndrome include a history of trauma to the sacroiliac and gluteal regions, buttock tenderness in the region of the greater sciatic foramen radiating down the limb and causing gait dysfunction, worsening pain when stooping, and a positive straight leg raising test.
The sciatic artery starts at the internal iliac artery and runs through the greater sciatic foramen, from where its course is close to the sciatic nerve.
Immediately after originating from the above mentioned rami, the sciatic nerve traverses the greater sciatic foramen (along with the posterior cutaneous nerves, S1-S3), and continues under the piriformis muscle, between the greater trochanter and the ischial tuberosity.
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