holoprosencephaly 6 https://www.malacards.org/card/holoprosencephaly_6_2 GARD:0024813 holoprosencephaly type 6 UMLS:C1853830 A holoprosencephaly that has material basis in variation in the chromosome region 2q37.1-q37.3. holoprosencephaly 6 DOID:0110874 HPE6 MESH:C565274 MONDO:0011616 MEDGEN:342979 OMIM:605934 holoprosencephaly