Search Result for "botulinum toxin":
Wordnet 3.0

NOUN (1)

1. any of several neurotoxins that are produced by the anaerobic bacterium Clostridium botulinum; causes muscle paralysis; 



WordNet (r) 3.0 (2006):

botulinum toxin
    n 1: any of several neurotoxins that are produced by the
         anaerobic bacterium Clostridium botulinum; causes muscle
         paralysis