Arthus' reaction

[ ahr-too-siz ]
/ ɑrˈtu sɪz /

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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019