Mondo Description Kallmann syndrome (KS) is a developmental genetic disorder characterized by the association of congenital hypogonadotropic hypogonadism (CHH) due to gonadotropin-releasing hormone (GnRH) deficiency, and anosmia or hyposmia (with hypoplasia or aplasia of the olfactory bulbs).

Disease Ontology Description A hypogonadotropic hypogonadism with a defective sense of smell (anosmia or hyposmia).