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IgA
- immunoglobulin A: a class of antibodies predominant in respiratory and alimentary tract secretions and in saliva and tears, functioning as the body's first line of defense against invading foreign substances especially by neutralizing viral antigens and by preventing the adherence of bacteria to mucous membrane surfaces.
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Word History and Origins
Origin of IgA1
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Example Sentences
The boy has very low levels of IgA antibodies, which patrol mucous membranes and help prevent infections there.
She and colleagues found that the Moderna vaccine may make more IgA antibodies, the type that help protect mucous membranes in the nose, mouth and other slick surfaces in the body from infection, than the Pfizer vaccine does.
His truck parked in front of the deli just east of the IGA—obviously the next stop on his route.
On examining the text the student can not fail to be struck by the great number of verbs ending in iga.
I was compelled, on emergencies, thereafter to use the ei-iga of some stray Mongol, which went much against the grain.
With eyes still turned away, she only says, “Go-iga” (in the forest).
To the valued suggestion of Tatéwaki, Iga no Kami nodded assent.
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