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(Physiology) blood plasma from which the clotting factors have been removed
n., pl. se•rums, se•ra (ˈsɪər ə)
1. the clear, pale yellow liquid that separates from the clot in the coagulation of blood; blood serum.
2. any watery animal fluid.
3. milk whey.
[1655–65; < Latin: whey]
Blood plasma, especially blood plasma from which factors that cause clotting of the blood have been removed.
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|Noun||1.||blood serum - an amber, watery fluid, rich in proteins, that separates out when blood coagulates|
blood - the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the seat of the emotions"
antiserum - blood serum containing antibodies against specific antigens; provides immunity to a disease
serum albumin - albumin occurring in blood serum; serves to maintain the somatic pressure of the blood
serum globulin - globulins occurring in blood serum and containing most of the antibodies of the blood
opsonin - an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes