Definition from Wiktionary, the free dictionary
- A congenital disorder involving insufficient division of the lobes of the brain during fetal development, resulting in skull and facial deformities ranging from minor cleft lip problems to cyclopia, in which a single eye develops where the nose would normally be.
- Classifications of holoprosencephaly
- Associated facial deformities
- NINDS Holoprosencephaly Information Page at the (U.S.) National Institutes of Health