title: Ultrastructure of dormant and germinated sporangiospores of Rhizopus arrhizus.
mesh_terms: D005613:Freeze Etching; D008854:Microscopy, Electron; D012233:Rhizopus / Q000166:cytology* / Q000254:growth & development; D013172:Spores, Fungal / Q000166:cytology / Q000254:growth & development