Midline Interhemispheric Variant of Holoprosencephaly, also known as middle interhemispheric variant of holoprosencephaly, is related to holoprosencephaly 1 and cleft palate, isolated. An important gene associated with Midline Interhemispheric Variant of Holoprosencephaly is CDON (Cell Adhesion Associated, Oncogene Regulated), and among its related pathways/superpathways are Signal Transduction and Nervous system development. Affiliated tissues include hypothalamus and brain, and related phenotypes are failure to thrive and short stature