What is the meaning of Allergy?
A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with atopy, anaphylaxis, and asthma; any condition of hypersensitivity to a substance.
- Specifically, hypersensitivity of class I in the modern classification thereof: the immunoglobulin E–mediated type.
Specifically, hypersensitivity of class I in the modern classification thereof: the immunoglobulin E–mediated type.
An antipathy, as toward a person or activity.
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