serum
- Noun. The clear yellowish fluid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot. Also called blood serum.
- Noun. Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual, called antiserum.
- Noun. A watery fluid from animal tissue, especially one that moistens the surface of serous membranes or that is exuded by such membranes when they become inflamed, such as in edema or a blister.
- Noun. The watery portion of certain animal fluids, as blood, milk, etc; whey.
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This entry was last updated on RefTopia from its source on 3/20/2012.