Arthus reaction

noun
Ar·​thus reaction | \ ˈär-thəs- How to pronounce Arthus reaction (audio) , ȧr-ˈtᵫ̅s- How to pronounce Arthus reaction (audio) \
variants: also Arthus phenomenon

Medical Definition of Arthus reaction

: a hypersensitivity reaction that occurs several hours to days following the intradermal injection of a vaccine into an animal and is marked by the formation of antigen-antibody complexes accompanied by localized inflammation, pain, redness, and sometimes tissue destruction

Learn More about Arthus reaction

Cite this Entry

“Arthus reaction.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Arthus%20reaction. Accessed 22 Sep. 2020.

Comments on Arthus reaction

What made you want to look up Arthus reaction? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!