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Blood Serum

Blood serum is the sticky, watery liquid left after the solid parts of the blood (the red blood cells, white blood cells, and platelets) have clumped (coagulated).

Last Revised: December 30, 2011

Author: Healthwise Staff

Medical Review: E. Gregory Thompson, MD - Internal Medicine & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease

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