Arthus' reaction

[ahr-too-siz]

noun Immunology.

a severe, local immune reaction to the injection of an antigen in a sensitized host.

Origin of Arthus' reaction

after Nicolas-Maurice Arthus (1862–1945), French physiologist, who discovered it in 1903
Also called Arthus' phenomenon.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019