Holoprosencephaly Definition Terminology Encyclopedia Online
This is holoprosencephaly, often accompanied by the failure of fetal facial midline structures to form properly.
Holoprosencephaly From Wikipedia
Holoprosencephaly is a cephalic disorder in which the prosencephalon (the forebrain of the embryo) fails to develop into two hemispheres.
The Carter Centers for Brain Research in Holoprosencephaly and Related Malformations