Term Name:	X-linked mental retardation Gustavson type
Synonyms:	Gustavson type of X-linked syndromic intellectual developmental disorder, mental retardation with optic atrophy, deafness and seizures
Definition:	A syndromic X-linked intellectual disability that is characterized by intrauterine growth retardation, microcephaly, hypotonia, and severe global developmental delay, usually resulting in death in infancy or early childhood that has_material_basis_in hemizygous mutation in the RBMX gene on chromosome Xq26.
Ontology:	Human Disease [DOID:0081123]   ( DOID:0081123 )