Immunoglobulin e
Immunoglobulin E
Immunoglobulin E (IgE) is a type of antibody (or immunoglobulin (Ig) that has only been found in mammals. It plays an essential role in the body's immune system. IgE has been associated with various allergic diseases, including asthma, rhinitis, and atopic dermatitis.
Pronunciation
Immunoglobulin E is pronounced as /ˌɪmjʊnəˈɡlɒbjʊlɪn/ /ˈiː/
Etymology
The term "Immunoglobulin" is derived from the Latin immunis meaning "exempt" and the Greek globus meaning "sphere". The "E" denotes the fifth class of immunoglobulins identified.
Function
Immunoglobulin E plays a crucial role in the body's defense against parasitic infections. It is also involved in the pathogenesis of many allergic and autoimmune diseases.
Related Terms
- Antibody: A protein produced by the body's immune system when it detects harmful substances, called antigens.
- Immune System: The body's defense against infectious organisms and other invaders.
- Asthma: A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe.
- Rhinitis: Inflammation and swelling of the mucous membrane of the nose, resulting in a runny nose and stuffy nose caused by a virus (common cold), an allergy, or a physical or chemical irritant.
- Atopic Dermatitis: A type of inflammation of the skin (dermatitis).
External links
- Medical encyclopedia article on Immunoglobulin e
- Wikipedia's article - Immunoglobulin e
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