title: An electron microscope study of spermiogenesis in the grasshopper with particular reference to the development of microtubular systems during differentiation.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D005407:Flagella; D007313:Insecta; D008297:Male; D008854:Microscopy, Electron; D009940:Organoids; D013094:Spermatozoa / Q000166:cytology*