An allergic reaction is a specific response to an innocuous environmental antigen (allergen) caused by sensitized B or T cells, often involving IgE bound to mast cells releasing inflammatory mediators.
Una reacción alérgica es una respuesta específica a un antígeno ambiental inocuo (alérgeno) causada por células B o T sensibilizadas, a menudo implicando IgE unida a mastocitos que liberan mediadores inflamatorios.
| Front | A specific response to an innocuous environmental antigen, or allergen, that is caused by sensitized B or T cells. Allergic reactions can be caused by various mechanisms, but the most common is the binding of allergen to IgE bound to mast cells, which causes the cells to release histamine and other biologically active molecules that cause the signs and symptoms of asthma, hay fever, and other responses |
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| Back | allergic reaction |
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