The X-linked inherited form of Kallmann syndrome caused by mutation of the KAL1 gene mapped to chromosome Xp22.3. The disease is Monarch Disease Ontology identifier MONDO_0010635 (hypogonadotropic hypogonadism 1 with or without anosmia). Also known as: ANOS1 hypogonadotropic hypogonadism, dysplasia olfactogenitalis of de Morsier, hypogonadotropic hypogonadism 1 with or without anosmia (Kallmann syndrome 1), X-linked recessive, hypogonadotropic hypogonadism caused by mutation in ANOS1.