title: Changes in seminiferous tubules after vasectomy.
mesh_terms: D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012671:Seminiferous Tubules / Q000166:cytology* / Q000473:pathology / Q000648:ultrastructure; D013091:Spermatogenesis; D013737:Testis / Q000166:cytology*; D014659:Vasectomy