Removal of fibrin from the blood, usually by means of constant agitation while the blood is collected in a container with glass beads or chips.
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n.
the removal of fibrin, one of the plasma proteins that causes coagulation, from a sample of blood. It is normally done by whisking the blood with a bundle of fine wires, to which the strands of fibrin that form in the blood adhere.
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de·fi·bri·na·tion (de-fi″brĭ-naґshən) removal of fibrin from a blood sample to prevent clotting; it also occurs pathologically in diffuse intravascular coagulation.Medical dictionary. 2011.