hypogonadism eunuchism https://www.malacards.org/card/eunuchism MONDO:0005758 MESH:D005058 EFO:0007266 Primary testicular failure NCIT:C131195 SCTID:267403002 MEDGEN:65949 The state of being a eunuch, a male without testes or whose testes failed to develop. It is characterized by the lack of mature male germ cells and testicular hormones. DOID:5003 UMLS:C0238117 ICD9:257.2