In pelvic region, each common iliac artery gives out an ilio-lumbar artery to supply the dorsal body wall and then, splits into a long external and short internal iliac arteries. This external iliac artery enters into the hindlimb of its side as femoral artery. The internal iliac splits into several branches to supply urinary bladder (vesicular), wall of rectum, anal region and also uterus in females.