出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/25 20:03 UTC 版)
Nerve agents are a class of phosphorus-containing organic chemicals (organophosphates) that disrupt the mechanism by which nerves transfer messages to organs. The disruption is caused by blocking acetylcholinesterase, an enzyme that normally relaxes the activity of acetylcholine, a neurotransmitter.