Parasporal bodies of bacillus spores.
D000818:Animals; D001407:Bacillus; D004583:Electrons; D007313:Insecta; D008853:Microscopy; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D013171:Spores, Bacterial
BACILLUS; MICROSCOPY, ELECTRON; MICROSCOPY, PHASE