abstract:Diprosopus (Greek , "two-faced", from , , "two" and , [neuter], "face", "person"; with Latin ending), also known as craniofacial duplication (cranio- from Greek , "skull", the other parts Latin), is an extremely rare congenital disorder whereby parts (accessories) or all of the face are duplicated on the head.Definition of diprosopus at MedicineNet.