| cholinergic u. |
that characterized by the presence of distinctive punctate wheals surrounded by areas of erythema, thought to be a nonimmunologic hypersensitivity reaction in which acetylcholine released from parasympathetic or motor nerve terminals induces release of mediators from mast cells, and evoked by conditions of exertion, stress, or increased environmental heat. Cf. heat u.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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