Hypogonadotropic Hypogonadism 26 with or Without Anosmia, also known as hh26, is related to hypogonadotropic hypogonadism 2 with or without anosmia. An important gene associated with Hypogonadotropic Hypogonadism 26 with or Without Anosmia is TCF12 (Transcription Factor 12). Affiliated tissues include pituitary and testes, and related phenotypes are anosmia and cryptorchidism