<prompt> Obturator aery is a branch ofInternal iliac aeryExternal iliac aeryCommon iliac aeryVesical aery  <response>: Obturator aery is the branch of internal iliac aery that passes anterio - inferiorly on the lateral wall of the pelvis,to the upper pa of obturator foramen and escaping the pelvic cavity through the obturator canal, it divides both into anterior and posterior branch. ref - BDC 6e vol2 pg63 imageref - teachmeanatomy.com 