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Figure 211.1. Gram stain of <italic>Clostridium tetani</bold> showing typical “drumstick” forms.
Clostridial diseases. Clostridia in the vegetative form inhabit the gastrointestinal tract of humans and animals. Spores pass in the feces, contaminate soil and plant materials, and are ingested or enter sites of penetrating wounds. Under anaerobic conditions they revert to vegetative forms. Plasmids in the vegetative forms elaborate toxins that cause several clostridial diseases. Food poisoning and necrotizing enteritis. Meat dishes left to cool at room temperature grow large numbers of cl...
Clostridial diseases. Clostridia in the vegetative form inhabit the gastrointestinal tract of humans and animals. Spores pass in the feces...