ABSENCE OF  GERMINAL EPITHELIUM WITH NORMAL KARYOTYPE.
D002875:Chromosomes; D000013:Congenital Abnormalities; D004848:Epithelium; D006801:Humans; D007246:Infertility; D007248:Infertility, Male; D059785:Karyotype; D008297:Male; D013094:Spermatozoa
ABNORMALITIES; CHROMOSOMES; EPITHELIUM; SPERMATOZOA; STERILITY, MALE