MICROANATOMY

Detailed explanation-1: -The anaphylactic response is mediated by IgE antibodies that are produced by the immune system in response to environmental proteins (allergens) such as pollens, animal danders, or dust mites.

Detailed explanation-2: -An allergy occurs when the body’s immune system becomes hyperreactive to a substance that could be harmless in itself, called an allergen. The external substances that provoke allergies are called allergens.

Detailed explanation-3: -Allergies. The immune reaction that results from immediate hypersensitivities in which an antibody-mediated immune response occurs within minutes of exposure to a usually harmless antigen is called an allergy.

Detailed explanation-4: -Allergy occurs when a person reacts to substances in the environment that are harmless to most people. These substances are known as allergens.