Kalmar “azygos” sifa ce da galibi tana nufin wani abu wanda ba a haɗa shi ko ɗaya ba, musamman a mahallin halittar jiki. Misali, “jijiya azygos” jijiya ce da ke bi ta gefen ginshikin kashin baya kuma ta hade zuwa mafi girman vena cava, kuma ana kiranta da ita domin yawanci jijiya daya ce maimakon hadewa kamar sauran jijiyoyin jiki. Hakanan za'a iya amfani da kalmar a ma'ana ta gaba ɗaya don komawa ga wani abu na musamman ko na musamman.