Jijiyoyin iliac na waje wata babbar jijiya ce a cikin ƙashin ƙugu wadda ta samo asali daga jijiyar femoral kuma tana ɗaukar jinin da ba shi da iskar oxygen daga ƙananan sassan sassan jiki, yankin ƙashin ƙugu, da al'aurar waje zuwa zuciya. Yana gudana a layi daya da jijiyar iliac na waje, kuma tare suna samar da tasoshin iliac na kowa. Jijiyar jijiyar iliac na waje a ƙarshe ta haɗu da jijiyar iliac na ciki don samar da jijiyar iliac na gama-gari, sannan ta haɗu da ƙananan vena cava, babban jijiya mai ɗaukar jini daga ƙasan rabin jiki zuwa zuciya.