LFA-1

noun
\ˌel-(ˌ)ef-(ˌ)ā-ˈwən \

Medical Definition of LFA-1 

: an integrin that is a heterodimeric protein on the surface of white blood cells and that functions in the adhesion of lymphocytes to other cells

History and Etymology for LFA-1

lymphocyte function-associated antigen-1

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