List of allergens
List of Allergens
An allergen (/ˈælərdʒən/) is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body. Such reactions are called allergies.
In technical terms, an allergen is an antigen capable of stimulating a type-I hypersensitivity reaction in atopic individuals through Immunoglobulin E (IgE) responses. Most humans mount significant Immunoglobulin E responses only as a defense against parasitic infections. However, some individuals may respond to many common environmental antigens. This hereditary predisposition is called atopy.
Common Allergens
- Pollen (/ˈpɒl.ən/): Tiny, egg-shaped powdery grains released from flowering plants, which are carried by the wind or by insects to other plants for fertilization.
- Dust Mites (/dʌst maɪts/): Microscopic, insect-like pests that generate allergens from their fecal pellets and body fragments.
- Mold (/moʊld/): A type of fungus that can grow on almost any surface, especially if the environment is warm and wet.
- Pet Dander (/pɛt ˈdændər/): Tiny, even microscopic, flecks of skin shed by cats, dogs, rodents, birds and other animals with fur or feathers.
- Food Allergens (/fuːd ˈælərdʒənz/): Certain types of food can also cause allergic reactions, the most common being peanuts, tree nuts, milk, eggs, fish, shellfish, soy, and wheat.
See Also
References
External links
- Medical encyclopedia article on List of allergens
- Wikipedia's article - List of allergens
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