Plasma is the liquid part of blood that contains water, minerals, and proteins (including clotting factors, the substances in the blood that help stop bleeding). Plasma may be obtained from blood donors to be transfused to someone who needs it.
Last Revised: October 5, 2011
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & Brian Leber, MDCM, FRCPC - Hematology
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