gonadal dysgenesis A congenital disorder characterized by the presence of extremely hypoplastic gonads preventing the development of secondary sex characteristics. COHD:201951 DOID:14447 GARD:0002538 ICD9:758.6 MESH:D006059 MONDO:0001967 NCIT:C61420 SCTID:205681004 gonadal dysgenesis syndrome https://rarediseases.info.nih.gov/diseases/2538/gonadal-dysgenesis hypogonadism