title: Helical structures in the cytoplasm of the male germ cells of the desert locust.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D006110:Grasshoppers / Q000166:cytology*; D008297:Male; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D009940:Organoids; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000166:cytology