Dictionary

IgA

noun \ˌī-(ˌ)jē-ˈā\

Definition of IGA

1
:  a class of immunoglobulins including antibodies found in external bodily secretions (as saliva, tears, and sweat)
2
:  an antibody of the class IgA

Origin of IGA

immunoglobulin
First Known Use: 1969

IgA

noun \ˌī-ˌjē-ˈā\   (Medical Dictionary)

Medical Definition of IGA

1
:  a class of immunoglobulins that include antibodies found in external bodily secretions (as saliva, tears, and sweat)
2
:  an immunoglobulin of the class IgA

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