Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya cyenda yerekana imyifatire yubuzima ningendo ndende. Uyu mwanya utanga umusanzu mubi bibazo, ariko bike, kuko ari intege nke cyane. Ibindi