sciatic foramen
noun
: either of two foramina on each side of the pelvis that are formed by the hip bone, the sacrospinous ligament, and the sacrotuberous ligament and that form a passage from the pelvis to the gluteal and peroneal regions:
a
: one giving passage to the piriformis muscle and to the sciatic, superior and inferior gluteal, and pudendal nerves together with their associated arteries and veins
called also greater sciatic foramen
b
: one giving passage to the tendon of the obturator internus muscle and its nerve, to the internal pudendal artery and veins, and to the pudendal nerve
called also lesser sciatic foramen
Dictionary Entries Near sciatic foramen
Cite this Entry
“Sciatic foramen.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sciatic%20foramen. Accessed 23 Nov. 2024.
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