柯林斯詞典anaphylaxis /??n?f??l?ks?s/ 1. N extreme sensitivity to an injected antigen, esp a protein, following a previous injection 過敏反應 返回 anaphylaxis劍橋詞典an extreme and dangerous allergic reaction to something that a person has eaten or touched 過敏性反應 In severe cases , anaphylaxis - the swelling of the tongue and closing of the throat - can occur and is life-threatening . Scientists believe a bite from a tick can lead to anaphylactic shock . 返回 anaphylaxis