human leukocyte antigen(redirected from Hla-a antigens)
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human leukocyte antigen
n. Abbr. HLA
Any of various cell-surface antigens in humans that are products of the major histocompatibility complex and are used to type tissue, as to match donors with recipients for organ transplantation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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 histocompatibility established.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.