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allergenenUK
allergenany substance that induces an allergy, such as pollen, grasses, certain foods, and medications
Not to be confused with:allergic – pertaining to an allergy: allergic to peanutsallergy – an abnormal reaction of the body to an allergen, manifested by runny nose, skin rash, wheezing, etc.; hypersensitivity to the reintroduction of an allergenal·ler·gen A0209600 (ăl′ər-jən)n. A substance, such as pollen, that causes an allergy.
[German Allergen : Aller(gie), allergy; see allergy + -gen, -gen (from French -gène; see -gen).]
al′ler·gen′ic (-jĕn′ĭk) adj.allergen (ˈæləˌdʒɛn) or allerginn (Biology) any substance capable of inducing an allergy ˌallerˈgenic adj ˌallergeˈnicity nal•ler•gen (ˈæl ər dʒən, -ˌdʒɛn)
n. any substance, usu. a protein, that induces an allergic reaction in a particular individual. [1910–15; aller(gy) + -gen] al`ler•gen′ic (-ˈdʒɛn ɪk) adj. al·ler·gen (ăl′ər-jən) A substance, such as pollen, that causes an allergy.allergen - Though allergens are not harmful themselves, when they are combined with certain antibodies, a reaction (i.e. the allergy) liberates substances that damage body cells and tissues.See also related terms for harmful.Thesaurus| Noun | 1. |  allergen - any substance that can cause an allergysubstance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"ragweed pollen - pollen of the ragweed plant is a common allergen |
TranslationsAllergenenUK
allergen [al´er-jen] 1. a substance, protein or nonprotein, capable of inducing allergy or specific hypersensitivity.2. a purified protein of a food (such as milk, eggs, or wheat), bacterium, or pollen. adj., adj allergen´ic. Allergens are used to test a patient for hypersensitivity to specific substances (see skin test). They are also used to desensitize or hyposensitize allergic individuals (see immunotherapy).
Almost any substance in the environment can be an allergen. The list of known allergens includes plant pollens, spores of mold, animal dander, house dust, foods, feathers, dyes, soaps, detergents, cosmetics, plastics, and drugs. Allergens can enter the body by being inhaled, swallowed, touched, or injected. Once the allergen comes in contact with body cells it sets off a series of immune responses that can range from localized inflammation to a fatal systemic anaphylaxis.al·ler·gen (al'er-jen), An antigen that induces an allergic or hypersensitive response. [allergy + G. -gen, producing] allergen (ăl′ər-jən)n. A substance, such as pollen, that causes an allergy.
al′ler·gen′ic (-jĕn′ĭk) adj.allergen Any biomolecular substance (antigen) capable of evoking an allergic reaction, specifically a type-1 hypersensitivity reaction through immunoglobulin E-mediated reaction.allergen Immunology A substance–eg, pollen, dander, mold, which can evoke an immediate-type hypersensitivity–allergic reaction, triggering a release of histamine. See Airborne allergen, Cockroach allergen, Feline allergen, Immunogenic allergen. al·ler·gen (al'ĕr-jĕn) An incitant of altered reactivity (allergy), an antigenic substance. [allergy + G. -gen, producing]allergen Any ANTIGEN causing ALLERGY or causing an allergic reaction in a sensitive person.allergen an antigen that produces an allergic response.AllergenA foreign substance, such as mites in house dust or animal dander which, when inhaled, causes the airways to narrow and produces symptoms of asthma.Mentioned in: Allergic Rhinitis, Allergies, Allergy Tests, Anosmia, Asthma, Delayed Hypersensitivity Skin Test, Detoxification, Deviated Septum, Eyelid Disorders, Hepatitis, Autoimmune, Hives, Hypersensitivity Pneumonitis, Lung Diseases Due to Gas or Chemical Exposure, Nasal Polypsal·ler·gen (al'ĕr-jĕn) Antigen that induces an allergic or hypersensitive response. [allergy + G. -gen, producing]Patient discussion about AllergenQ. How do I diagnose an allergy? I think I’m allergic to something. I’ve been having running nose, sneezing, and even problems breathing every once in a while. How can I find the cause? A. There can be thousands of materials that you are allergic to. But usually people are allergic to the same things (cats, pets in general, type of foods and so forth..). what you can do is an allergy test- It’ll cover most of the usual things. Here is a video that explains it:
http://www.5min.com/Video/Allergy-Testing-9036
Q. Can it be that I stopped being allergic to cats? is it a miracle? I was allergic to cats in my childhood, and yesterday a friend cat jumped on me and nothing happened. A. NO,IF NOTHING HAPPENED More discussions about AllergenallergenenUK
Related to allergen: Allergen immunotherapyWords related to allergennoun any substance that can cause an allergyRelated Words |