anaphylaxis
/ˌænəfɪˈlæksɪs/noun
mass noun
- Medicine an extreme allergic reaction to an antigen (e.g. a bee sting) to which the body has become hypersensitive following an earlier exposure【医】过敏反应。
派生词
anaphylactic
adjective词源
early 20th cent.: modern Latin， from Greek ana- 'again' + phulaxis 'guarding'.