allergen


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Related to allergen: Allergen immunotherapy

al·ler·gen

 (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

allergin

n
(Biology) any substance capable of inducing an allergy
ˌallerˈgenic adj
ˌallergeˈnicity n

al•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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.allergen - any substance that can cause an allergyallergen - any substance that can cause an allergy
substance - 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
Translations
alergen
allergen

allergen

[ˈælədʒən] Nalérgeno m

allergen

[ˈælərɛn] nallergène m

allergen

n (Med) → Allergen nt

al·ler·gen

n. alérgeno, antígeno que induce una respuesta alérgica o hipersensitiva.

allergen

n alérgeno or alergeno
References in periodicals archive ?
Encase quilts, pillows, mattress and box spring in allergen covers.
USDA's Food Safety and Inspection Service currently permits voluntary labeling using the two formats required for FDA-regulated foods and, according to Harkin, USDA has the authority to mandate major allergen labeling to alleviate the risk to public health.
Researchers found inner city children allergic to and exposed to cockroach allergen had longer periods of coughing and wheezing and more time off school than these other sources of allergies.
But when an allergic person comes into contact with an allergen, such as Fel d1, their immune system has a different response.
In July, Congress passed the Food Allergen Labeling and Consumer Protection Act.
and researchers with the Inner City Asthma Study examined the relationship between indoor allergen exposure, skin test reactivity, and asthma symptoms in children in various geographic locations across the United States.
Cross-contact occurs when a small amount of food allergen is mixed in with other, "safe" foods.
The investigators vacuumed several sites in each home and analyzed the samples for the presence of allergen by enzyme-linked immunosorbent assays, said Ms.
One in every six sites had detectable amounts of a common allergen produced by cockroaches, and about one in four had one or both of the dust-mite allergens the researchers looked for.
For more than 30 years, in vitro assays for allergen-specific IgE have been used along with or in place of skin-prick allergen testing (SPT) (1).
The mechanics of human histamine response to protein allergens occur when the immune system mounts an attack against an allergen, sending out a cascade of chemicals that trigger the muscle spasms, swollen tissues and many other symptoms associated with asthma.
It relies on the reactivity and sensitivity of mast cells that have been sensitized with specific IgE to reflect allergen sensitivity.