holoprosencephaly 1
The most severe form of holoprosencephaly in which there is a complete absence of midline forebrain division resulting in the presence of fused hemispheres and a single ventricle (alobar holoprosencephaly). It is mapped to chromosome 21q22.
MONDO:0016296
holoprosencephaly
is_a
HPE1
exact
Hpe, familial
broad
cyclopia
broad
holoprosencephaly 1
exact
holoprosencephaly 1, isolated cases
exact
holoprosencephaly type 1
exact