blood group

blood group definition - medical

blood group

noun
  1. Any of several immunologically distinct, genetically determined classes of human blood that are based on the presence or absence of certain antigens, are clinically identified by characteristic agglutination reactions, and are important with respect to blood transfusions and organ transplantation.
  2. Blood type.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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