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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Defensive vomiting ： ウィキペディア英語版 Defensive vomiting Defensive vomiting refers to the use of emesis to defend against ingested pathogens or, in animals, against predators. ==In Humans== Vomiting serves an evolutionary purpose for humans by preventing the ingestion of something harmful, and by expelling noxious substances once ingested.〔(【引用サイトリンク】url=http://www.ratbehavior.org/vomit.htm#Humans )〕 Vomiting excessive amounts of alcohol is an attempt by the body to prevent alcohol poisoning and death. Vomiting may also be caused by other drugs, such as opiates, or from toxins found in some foods and plants. Food allergies, such as lactose intolerance, can cause vomiting. Even morning sickness, nausea and vomiting common to most pregnant women but no other mammals, has a defensive purpose. Morning sickness discourages pregnant women from eating meat and strong-tasting vegetables, which may contain toxins and microorganisms. If ingested, the fetus might be harmed. After around the 18th week, the fetus becomes less vulnerable. 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「Defensive vomiting」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.