title: Light and electron microscopic examinations of undescended testicles.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003456:Cryptorchidism / Q000473:pathology* / Q000601:surgery; D004721:Endoplasmic Reticulum; D006801:Humans; D007223:Infant; D007985:Leydig Cells; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D012708:Sertoli Cells; D013737:Testis / Q000166:cytology / Q000473:pathology