| immediate hypersensitivity r. |
1. type I hypersensitivity r. 2. occasionally, any hypersensitivity reaction mediated by antibodies and developing rapidly, generally in minutes to hours (i.e., type I, II, or III hypersensitivity r.), as distinguished from those mediated by T lymphocytes and macrophages and generally requiring 24 to 72 hours to develop (type IV hypersensitivity r's, sometimes called delayed hypersensitivity r's).
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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