serum
Blood serum used as a blood product, in the practice of medicine: blood serum from the tissues of immunized animals (human or nonhuman), containing antibodies and used to transfer immunity to another individual (human or nonhuman).
Other meanings
A watery liquid 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.
The watery portion of certain other animal fluids, such as milk; whey.
Related words
- autoserum
- immunoserum
- nonserum
- serumal
- serumless
- serumuria
- antiserum
- blood serum
- immune serum
- serous
- serum sickness
- truth serum
Word history
From Latin "serum" (whey).
Where this comes from
This definition is adapted from “serum” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.