title: Application of ultrastructure in the investigation of male infertility of the BIL/1 mutant.
mesh_terms: D000818:Animals; D007248:Infertility, Male / Q000209:etiology*; D007985:Leydig Cells / Q000648:ultrastructure; D008297:Male; D009154:Mutation; D051381:Rats / Q000235:genetics*; D011916:Rats, Inbred F344; D012671:Seminiferous Tubules / Q000648:ultrastructure; D012708:Sertoli Cells / Q000648:ultrastructure; D013091:Spermatogenesis; D013737:Testis / Q000503:physiopathology / Q000648:ultrastructure*