Arthus' reaction: Meaning and Definition of

Ar•thus'' reac'tion

Pronunciation: (är-t'siz), [key]
— Immunol. Immunol.
  1. a severe, local immune reaction to the injection of an antigen in a sensitized host. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.