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.
Origin of IgA
1Words Nearby IgA
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use IgA in a sentence
The boy has very low levels of IgA antibodies, which patrol mucous membranes and help prevent infections there.
The world is ‘losing the window’ to contain monkeypox, experts warn | Tina Hesman Saey | July 22, 2022 | Science NewsShe 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.
The Sacred Formulas of the Cherokees | James MooneyI was compelled, on emergencies, thereafter to use the ei-IgA of some stray Mongol, which went much against the grain.
The Siberian Overland Route from Peking to Petersburg, | Alexander Michie
With eyes still turned away, she only says, “Go-IgA” (in the forest).
Fetichism in West Africa | Robert Hamill NassauTo the valued suggestion of Tatéwaki, IgA no Kami nodded assent.
The Yotsuya Kwaidan or O'Iwa Inari | James S. De Benneville
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