Tsakiya na wucin gadi jijiya kalma ce da ake amfani da ita a cikin jiki da kuma magani don nufin wata jijiyar da ke cikin yanki na wucin gadi na kwanyar, musamman a tsakiyar yankin. Yana daya daga cikin jijiyoyi da ke fitar da jini daga kwakwalwa da fatar kai da mayar da shi zuwa zuciya. Jijiya ta tsakiya reshe ne na jijiyar wucin gadi ta sama, kuma yawanci tana magudawa zuwa reshen baya na jijiyar retromandibular. Yana da muhimmiyar alama ga likitocin fiɗa da ƙwararrun likitoci waɗanda ke aiki a yankin na ɗan lokaci, saboda yana shiga cikin hanyoyin tiyata da yawa kuma yana iya zama tushen zubar jini idan an ji rauni.