In extrinsic asthma, bronchospasm is attributed to an immunologic response of the patient to an allergen.
在外源性哮喘中, 支气管痉挛是由于病人对过敏原的免疫性反应而引起的.
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英英释义
Noun
1. a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen