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atopy

Pronunciation: at′ō-pē

Definition: A genetically determined state of hypersensitivity to environmental allergens. Type I allergic reaction is associated with the IgE antibody and a group of diseases, principally asthma, hay fever, and atopic dermatitis.

[G. atopia, strangeness, fr. a- priv. + topos, a place]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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