《英文msh词典》Type I Hypersensitivity
[同义词] Type I Hypersensitivity
[主题词] Hypersensitivity,Immediate
[中文释义] Ⅰ型超敏反应
[英文释义] 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.