Hypogonadotropic Hypogonadism 2 with or Without Anosmia, also known as kallmann syndrome 2, is related to hypogonadotropic hypogonadism 1 with or without anosmia and hypogonadism. An important gene associated with Hypogonadotropic Hypogonadism 2 with or Without Anosmia is FGFR1 (Fibroblast Growth Factor Receptor 1), and among its related pathways/superpathways are Signal Transduction and Signaling by Receptor Tyrosine Kinases. Affiliated tissues include pituitary and olfactory bulb, and related phenotypes are agenesis of corpus callosum and osteopenia