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se·ra(sē'rum, -ŭmz, -ă), Avoid the colloquial or jargonistic use of this word in the sense of 'any biologic agent' ("allergy serum") or 'any injected drug' ("truth serum").
1. A clear, watery fluid, especially that moistening the surface of serous membranes, or exuded in inflammation of any of those membranes.
2. The fluid portion of the blood obtained after removal of the fibrin clot and blood cells, distinguished from the plasma in circulating blood. Sometimes used as a synonym for antiserum or antitoxin.
Farlex Partner Medical Dictionary © Farlex 2012
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
blood serumThe liquid part of the blood (blood plasma) with the protein which forms during clotting (fibrin) removed. Serum remains liquid.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
seruma fraction of the blood consisting of BLOOD PLASMA from which FIBRINOGEN (a clotting factor) has been removed.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
A component of blood.
Mentioned in: Bites and Stings
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.