Two types of tubules containing only Sertoli cells in adults with Klinefelter's syndrome.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D006801:Humans; D007713:Klinefelter Syndrome / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012708:Sertoli Cells / Q000166:cytology*; D013094:Spermatozoa; D013737:Testis / Q000473:pathology*