title: Fine structure of spermatogenesis in the South African clawed toad Xenopus laevis Daudin.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002467:Cell Nucleus; D005407:Flagella; D005854:Germ Cells / Q000166:cytology; D007814:Larva; D008297:Male; D008854:Microscopy, Electron; D009940:Organoids; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology; D013737:Testis / Q000166:cytology / Q000196:embryology; D014981:Xenopus / Q000196:embryology