leukodystrophy, hypomyelinating, 7, with or without oligodontia and/or hypogonadotropic hypogonadism hypomyelination-cerebellar atrophy-hypoplasia of the corpus callosum syndrome https://github.com/monarch-initiative/mondo/issues/8351 GARD:0017773 Orphanet:447893 NANDO:1200583 UMLS:C5681201 MEDGEN:1842862 NANDO:2201295 MONDO:0018655 disorder of development or morphogenesis