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Anaphylactic shock
noun
Definitions
Noun
- 1 A severe and rapid systemic allergic reaction to an allergen, constricting the trachea and causing generalized vasodilation. countable, uncountable
- 2 a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure wordnet
See also for "anaphylactic shock"
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