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Anatomy · Pelvis
Sample itemWhich structure passes through the greater sciatic foramen below piriformis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Sciatic nerve
The sciatic nerve exits the pelvis through the greater sciatic foramen inferior to piriformis before descending into the posterior thigh.
Option by option
A. Sciatic nerve (correct)
Correct: sciatic nerve takes the infrapiriform route.
B. Obturator nerve
Obturator nerve enters the thigh through obturator canal.
C. Genitofemoral nerve
Genitofemoral nerve emerges on anterior psoas.
D. Femoral nerve
Femoral nerve passes beneath the inguinal ligament.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.