IgA

noun \ˌī-(ˌ)jē-ˈā\

Definition of IGA

: a class of immunoglobulins including antibodies found in external bodily secretions (as saliva, tears, and sweat)

: an antibody of the class IgA

immunoglobulin

First Known Use: 1969

Medical Dictionary

noun \ˌī-ˌjē-ˈā\

: a class of immunoglobulins that include antibodies found in external bodily secretions (as saliva, tears, and sweat)

: an immunoglobulin of the class IgA

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