immune reaction


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.

immune reaction

n.
The reaction resulting from the recognition and binding of an antigen by its specific antibody or by a previously sensitized lymphocyte. Also called immunoreaction.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.immune reaction - a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
anamnestic reaction, anamnestic response - renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen
humoral immune response - an immune response (chiefly against bacterial invasion) that is mediated by B cells
cell-mediated immune response - an immune response (chiefly against viral or fungal invasions or transplanted tissue) that involves T cells
complement fixation - an immune response in which an antigen-antibody combination inactivates a complement (so it is unavailable to participate in a second antigen-antibody combination)
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
fungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
complement - one of a series of enzymes in the blood serum that are part of the immune response
References in periodicals archive ?
Bobby was left fighting for his life after the ordeal triggered a deadly immune reaction.
Bobby was left fighting for life after the ordeal triggered a deadly immune reaction.
The man died from internal bleeding caused by a rare immune reaction to the virus, according to the US Centers for Disease Control and Prevention (CDC).
sid=cb4cce15-36d2-4539-8bdf-6fd2dbcbec2c) immune reaction instead of virus behaviour.
The team has begun a larger study to see if the results hold up, and plans to study whether the same kind of immune reaction may play a role in other kinds of surgery, such as abdominal operations.
A protein previously believed to play a role solely in blood clotting acts as a negative feedback signal, telling defense cells to calm down, thereby preventing an immune reaction from spiraling out of control.
Sandwiches, scones and cakes that are free of gluten, which triggers an immune reaction in sufferers, will be on offer at Hearsall Lane Baptist Church in Queensland Avenue, Chapelfields, on Saturday, May 19.
It is caused by an aberrant immune reaction that kills cells in the pancreas, requiring the patient to receive insulin injections.
For example, many laboratories now realize that identical multiple bands in both CSF and serum (mirror pattern) may indicate a systemic immune reaction rather than typical multiple sclerosis.
In a study into DRESS, also sometimes known as Drug-Induced Hypersensitivity Syndrome (DIHS), French scientists found the condition is actually an immune reaction prompted when a dormant virus is reactivated and the body's fighter T cells go into overdrive to fight it.
The ultimate aim is to breed genetically modified animals whose organs will not trigger an extreme immune reaction when transplanted into humans.
One theory is that cot death results from babies being unable to produce a proper immune reaction to bacteria in their upper airways.