Blood Groups - AMA Manual of Style

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Blood Groups 


Harriet S. Meyer

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PRINTED FROM AMA MANUAL OF STYLE ONLINE ( © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy). date: 01 December 2015

Blood groups are characterized by erythrocyte (red blood cell) antigens with common immunologic properties (eg, group A). Blood group systems are series of such antigens encoded by a single gene or by a cluster of 2 or 3 closely linked homologous genes (eg, ABO system). There are about 600 recognized erythrocyte antigens. The International Society of Blood Transfusion (ISBT) designates around 270 blood group antigens. Of these, around 250 belong to 1 of 29 systems., (Other antigens remain in officially designated series or collections.) Some antigens are erythrocyte-specific; others appear widely, but specifically, on cells of other organs and tissues.

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