[ ahr-too-siz ]
/ ɑrˈtu sɪz /
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