gonadal aplasia

go·nad·al a·pla·si·a

congenital absence of essentially all gonadal tissue; the external genitalia and genital ducts are female, but if interstitial cells (of Leydig) are present, the external genitalia are commonly ambiguous and the genital ducts are female.
See also: gonadal dysgenesis, gonadal agenesis. Compare: Klinefelter syndrome, Turner syndrome.

gonadal aplasia

[gō′nədəl]
a congenital state in which there is defective development of the germinal tissues of the gonads.