GO:0006955
OBSOLETE. Extreme immunological sensitivity of the body or tissues to the reintroduction of an antigen. It is a form of anamnestic reaction and is accompanied by pathological changes in tissues or organs due to the release of pharmacologically active substances. [ https://www.worldcat.org/search?q=bn%3A0198506732 ]
Synonyms: anaphylaxis
Term information
This term was made obsolete because it represents a an abnormal process that is harmful to the organism.