Jijiyar brachial babban jigon jini ne a hannu na sama wanda ke ba da jini mai iskar oxygen zuwa hannu, gaba, da hannu. Yana tsakanin kafada da gwiwar hannu kuma yana da alhakin ɗaukar jini daga zuciya zuwa tsokoki da kyallen takarda na babba. Kalmar "brachial" ta fito daga kalmar Latin "brachium," wanda ke nufin hannu.
