umls-concept:C1563719 | skos:definition | NCI: The X-linked inherited form of Kallmann syndrome caused by mutation of the KAL1 gene mapped to chromosome Xp22.3.,MSH: Type 1 is the X-linked form with mutations of gene Kal1 which encodes anosmin-1 protein that plays a key role in the migration of GNRH-containing neurons and olfactory nerves to the HYPOTHALAMUS. | lld:umls |