holoprosencephaly 1
MONDO:0009349Mondo
Findings
No curated finding names holoprosencephaly 1 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
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.
Definition from the Mondo Disease Ontology (MONDO:0009349), read 2026-09-29. CC BY 4.0.
Where it sits
- A kind of
Other names
3 names
Resolves to: holoprosencephaly 1
- Also called
- holoprosencephaly 1, isolated casesholoprosencephaly type 1HPE1