HLA: Meaning and Definition of

HLA

Pronunciation: [key]
— Immunol. Immunol.
  1. human leukocyte antigen: any of a complex of genetically determined antigens, occurring on the surface of almost every human cell, by which one person's cells can be distinguished from another's and the histocompatibility and genetic likeness of any two persons can be established: the major histocompatibility antigen of humans. Cf. MHC.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.