atopy

Atopy (Greek ατοπία - placelessness) or atopic syndrome is an allergic hypersensitivity affecting parts of the body not in direct contact with the allergen. It may involve eczema (atopic dermatitis), allergic conjunctivitis, allergic rhinitis and asthma. There appears to be a strong hereditary component. One study concludes that "the general risk of developing atopic dermatitis (3%) and atopy (7%) increases by a factor of two with each first-degree family member already suffering from atopy" . The hereditary component is presumably due to certain genes coding proteins involved in the normal immune response mechanism, i.e., human leukocyte antigen, although environmental factors have also been implicated. Atopic syndrome can be fatal for those who experience serious allergic reactions such as anaphylaxis, brought on by reactions to food or environment.
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Atopy /at·o·py/ a genetic predisposition toward the development of immediate hypersensitivity reactions against common environmental antigens, most [more]Atopy - Community and Resources

Noun
1. an allergic reaction that becomes apparent in a sensitized person only minutes after contact
(synonym) immediate allergy, atopic allergy, type I allergic reaction
(hypernym) allergy, allergic reaction

noun
hereditary allergic reaction

atopy
danh từ dị ứng; phản ứng đặc dị danh từ dị ứng; phản ứng đặc dị
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