Kalmar "bulbar" yawanci tana nufin wani abu da ke da alaƙa da ko yana cikin medulla oblongata, wanda shine ƙananan ɓangaren kwakwalwa. Musamman, "bulbar" na iya kwatanta tsari ko ayyuka masu alaƙa da jijiyoyi na cranial da ke fitowa daga medulla oblongata, kamar jijiyar da ke da hannu wajen sarrafa tsokar fuska, harshe, da makogwaro.A cikin likitancin likita. mahallin, "bulbar" kuma yana iya komawa ga cututtuka ko yanayin da suka shafi waɗannan sifofi ko ayyuka, kamar ciwon kumburin kumburi ko rashin aiki na bulbar.