Ma'anar "jijiya na testicular" tana nufin magudanar jini da ke da alhakin fitar da jinin da ba shi da iskar oxygen daga ma'aurata. Yana daga cikin tsarin haihuwa na namiji kuma yana da alaƙa musamman da gwanaye. Jijiyar ƙwanƙwara ta samo asali ne daga cikin ƙwayoyin su da kansu sannan kuma ta haura zuwa sama, daga ƙarshe kuma ta haɗu da wasu jijiyoyi don samar da veins na hagu da dama. Wadannan veins suna taka muhimmiyar rawa wajen dawo da jini zuwa zuciya don samun iskar oxygen.