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Allergens a.k.a. Allergen: An allergen 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.
- also known as 过敏原
Printed dictionaries and other books with definitions for Allergens
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Asthma: Screening, Diagnosis, Management, An Issue of Otolaryngologic Clinics of North America, (2014)
by Karen Calhoun
However, although early sensitization to inhalant allergens is a known risk factor for the ...
Intercellular Signaling Peptides and Proteins—Advances in Research and Application: 2012 Edition (2012)
University of Cincinnati: Proteaseactivated receptor 2 activation of myeloid dendritic cells regulates allergic airway inflammation “A common characteristic of allergens is that they contain proteases that can activate protease-activated receptor ...
Food Allergy (2013)
Practical Diagnosis and Management by Scott H. Sicherer
As mentioned earlier, the immunological reaction underlying the role played by food allergens is that of a mix of IgE- and non-IgE-mediated reactions. Results from skin prick testing (SPT) and atopy patch testing (APT) to several foods may ...
by Carol Turkington, Jeffrey S. Dover
stearalkonium chloride Carcinogens: DEA DEODORANTS Irritants: Fragrance, lanolin, parabens, propylene glycol, triclosan Carcinogens: Cocamide DEA LIPSTICKS Allergens/irritants: Synthetic colors Carcinogens: Some synthetic colors, ...
by J. P. Schadé
fresh paint and other noxious odours; A inhalation of cigarette smoke; A exposure to specific allergens. Psychological factors may aggravate an asthmatic attack but are not a primary cause. Persons whose asthma is precipitated by exposure ...
Mosby's Dental Dictionary (2007)
by Elsevier, Mosby
Common allergens are pollens, dust, drugs, and foods. See also antigen. allergy (al′urje ̄), n a hypersensitive reaction to an allergen; an antigenantibody reaction is manifested in several forms—anaphylaxis, asthma, hay fever, urticaria , ...
by Burkhard Fugmann, Susanne Lang-Fugmann, Wolfgang Steglich
Pyrethrosin and costunolide3 are contact allergens and repeated contact can lead to dermatitis. The cause of this is the exocyclic methylene group on the γlactone ring which takes part in a Michaelreaction with nucleophilic groups such as, ...
Dictionary of Flavors (2008)
by Dolf De Rovira
Putative allergens are those that specifically react with IgE immunoglobulins in the bloodstream.
by Richard Lawrence Miller
One authority believes the drug has potential for stopping allergic reactions to a variety of allergens.
Dictionary of Hearing (2013)
by Maryanne Maltby
Inflammation ofthe nasal mucous membranedue to allergens, e.g., pollen.
by Michel Millodot
Conjunctivitis which is due to a type 1 hypersensitivity reaction to allergens.
by Chris Brooker
hypersensitivity to allergens, which are incorporated into an adhesive patch applied to the skin. Forty-eight hours after application the skin under ...
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Scrabble value of A1L1L1E1R1G2E1N1S1
The value of this 9-letter word is 10 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.
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