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iliac artery n.
One of two terminal branches of the abdominal aorta, becoming the internal iliac artery and giving off the external iliac artery; common iliac artery.
An artery with its origin in the common iliac artery, with branches to the inferior epigastric and deep circumflex iliac arteries, becoming the femoral artery at the inguinal ligament; external iliac artery.
An artery with its origin in the common iliac artery, with branches to the iliolumbar, lateral sacral, obturator, superior gluteal, inferior gluteal, umbilical, superior vesical, inferior vesical, and middle rectal arteries, usually dividing into anterior and posterior arteries; hypogastric artery.