title: Spermatogenesis in animals as revealed by electron microscopy. 18. Fine structure of developing spermatids of the Japanese freshwater turle fixed with potassium permanganate.
mesh_terms: D000818:Animals; D005854:Germ Cells / Q000166:cytology / Q000254:growth & development*; D006056:Golgi Apparatus; D006652:Histological Techniques; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D014426:Turtles / Q000254:growth & development*