noun, plural al·ler·gies. 1. an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often ...

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A. Adrenaline: Adrenaline (or epinephrine) is a hormone produced by the kidneys in response to an emergency situation anaphylaxis . Adrenaline makes the heart beat faster ...

al·ler·gy (l r-j) n. pl. al·ler·gies. 1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may ...

HON Allergy Glossary Allergy. Title page and introduction to the section on Allergies. Contains definitions and links to more specific information as well as search engines.

Allergies Definition. Allergies are abnormal reactions of the immune system that occur in response to otherwise harmless substances. Description

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allergy /al·ler·gy/ (al´er-je) a hypersensitive state acquired through exposure to a particular allergen, reexposure bringing to light an altered capacity to react.

An allergy is a hypersensitivity disorder of the immune system Allergic reactions occur when a person's immune system reacts to normally harmless substances in the environment.

allergy, hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons.

An allergy is a sensitivity to a specific substance which causes a negative bodily reaction, such as sneezing, wheezing, itching or difficulty breathing.

Allergy : (noun) 1: hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity [syn: allergic reaction] Based on WordNet 2.0

Allergy Medical Dictionary ... Acute... stress ful situation is resolved. Acute allergy Chronic allergy Systemic allergy Multi media from HONselect: ...

Find dictionary definitions, audio pronunciations, and spellings for allergy in the free online American Heritage Dictionary on Yahoo! Education

Define allergy. What is allergy? allergy meaning and more by Macmillan Dictionary

allergy noun - definition, audio pronunciation, synonyms and more for allergy noun: a condition that makes a person become ill or develop skin or breathing problems because ...