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ob·tu·ra·tor vein(ob'tŭr-ā-tŏr vān)
Formed by the union of tributaries draining the hip joint and the obturator and adductor muscles of the thigh; it enters the pelvis by the obturator canal as venae comitantes of the obturator artery and empties into the internal iliac vein.
The vein that accompanies the obturator artery; it empties into the internal iliac vein.
See also: vein