| pyrogenic | <physiology> Fever inducing. Origin: Gr. Gennan = to produce (18 Nov 1997) |
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| exotoxin | <protein> Toxin released from gram-positive and gram-negative bacteria as opposed to endotoxins that form part of the cell wall. Examples are cholera, pertussis and diphtheria toxins. Usually specific and highly toxic. (18 Nov 1997) |