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A blister agent, or vesicant, is a chemical compound that causes severe skin, eye and mucosal pain and irritation. They are named for their ability to cause severe chemical burns, resulting in painful water blisters on the bodies of those affected. Although the term is often used in connection with large-scale burns caused by chemical spills or chemical warfare agents,〔(Center for Disease Control )〕 some naturally occurring substances such as cantharidin are also blister-producing agents (vesicants).〔(Cantharidin and Meloids: a review of classical history, biosynthesis, and function )〕 Furanocoumarin, another naturally occurring substance, causes vesicant-like effects indirectly, for example, by increasing skin photosensitivity greatly. Vesicants have medical uses including wart removal but can be fatal if even small amounts are ingested.〔 ==Blister agents used in warfare== Most blister agents fall into one of three groups: * Sulfur mustards – A family of sulfur-based agents, including mustard gas. * Nitrogen mustards – A family of agents similar to the sulfur mustards, but based on nitrogen instead of sulfur. * Lewisite – An early blister agent that was developed, but not used, during World War I. It was effectively rendered obsolete with the development of British anti-Lewisite in the 1940s. Occasionally, phosgene oxime is included among the blister agents, although it is more properly termed a nettle agent. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Blister agent」の詳細全文を読む スポンサード リンク
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