[Electron microscope study on the differentiation of the axial tail filaments of the spermatids in the lepidoptera].
D012831:Bombyx / Q000166:cytology; D002454:Cell Differentiation; D007313:Insecta / Q000166:cytology*; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology*