Congenital testicular deficiency.  II.  Defective Sertoli cell differentiation in hypogonadism of so-called obscure origin.
D002454:Cell Differentiation; D005058:Eunuchism; D006801:Humans; D007006:Hypogonadism; D008297:Male; D013733:Testicular Diseases / Q000151:congenital; D013737:Testis / Q000002:abnormalities
EUNUCHOIDISM