English > blood serum: 1 sense > noun 1, body| Meaning | An amber, watery fluid, rich in proteins, that separates out when blood coagulates. |
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| Synonym | serum |
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| Narrower | antiserum | blood serum containing antibodies against specific antigens |
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| whey, milk whey | The serum or watery part of milk that is separated from the curd in making cheese |
| Broader | liquid body substance, bodily fluid, body fluid, humor, humour | The liquid parts of the body |
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| Substance of | blood | The fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets |
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| Substances | opsonin | An antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes |
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| serum albumin | albumin occurring in blood serum |
| serum globulin | globulins occurring in blood serum and containing most of the antibodies of the blood |
| Spanish | plasma, suero |
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| Catalan | plasma, sèrum |
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