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Obturator sulcus
Description
The obturator sulcus or groove is a notch in the superior border of the obturator foramen that allows passage between the true pelvis internal to the obturator foramen and the thigh externally. Through this opening pass the obturator vessels and nerve.
Etymology
Obturator derives from the Latin verb obturare denoting to occlude or cover over. Sulcus is the Latin term meaning a groove.
