Spermatogenesis in animals as revealed by electron microscopy. XV. The fine structure of the middle piece in the developing spermatid of the silkworm, Bombyx mori Linné.
D000818:Animals; D012831:Bombyx / Q000166:cytology*; D003585:Cell Biology; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000254:growth & development*