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Blood cells

Blood cells

Overview

Blood is comprised of red blood cells, platelets, and various white blood cells.

Review Date 2/8/2017

Updated by: Gordon A. Starkebaum, MD, Professor of Medicine, Division of Rheumatology, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.