ラトロトキシンMeanings1nounlatrotoxinA toxin found in the venom of widow spiders (genus Latrodectus). Used in biochemistry and toxicology contexts.ラトロトキシンは神しん経けい伝でん達たつ物ぶっ質しつの放ほう出しゅつを引ひき起おこす。Latrotoxin causes the release of neurotransmitters.