serum | | |
n. (body) | 1. blood serum, serum | an amber, watery fluid, rich in proteins, that separates out when blood coagulates. |
| ~ bodily fluid, body fluid, liquid body substance, humour, humor | the liquid parts of the body. |
| ~ 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. |
| ~ milk whey, whey | the serum or watery part of milk that is separated from the curd in making cheese. |
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