《英文msh詞典》Type I Hypersensitivity
[同義詞] Type I Hypersensitivity
[主題詞] Hypersensitivity,Immediate
[中文釋義] Ⅰ型超敏反應(yīng)
[英文釋義] Hypersensitivity reactions which occur within minutes of exposure to challenging antigen due to the release of histamine which follows the antigen-antibody reaction and causes smooth muscle contraction and increased vascular permeability.