ORIGIN: Anterior division of the internal iliac artery.


COURSE/DISTRIBUTION: Arises from the anterior division of the internal iliac artery and passes at a lower level and posterior to the superior vesical artery and to its posterior aspect. It runs accompanied by the obturator nerve (above) and vein (below). It passes across the pelvic brim and enters the obturator foramen where it reaches the obturator canal to divide into its terminal branches anterior and posterior divisions of obturator artery. It is crossed by the ureter and the ductus deferens in the pelvic cavity and is separated from the obturator internus by the obturator fascia.



  • Anterior branch of obturator artery
  • Posterior branch of obturator artery
  • Iliac branches to the iliac fossa
  • Pubic branch to the pubis
  • Vesical branch to the bladder.


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