Definitions for IGA

This page provides all possible meanings and translations of the word IGA

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  1. immunoglobulin A, IgA(noun)

    one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts

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  1. Iga

    Iga was a town located in Ayama District, Mie Prefecture, Japan. On November 1, 2004 Iga absorbed the old city of Ueno, the towns of Ayama, the villages of Ōyamada and Shimagahara, all from Ayama District, and the town of Aoyama, from Naga District, to become the new city of Iga.


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