serum vs opsonin
opsonin vs serumserum and opsonin both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| serum | Yes | No | No | No |
| opsonin | Yes | No | No | No |
| serum (noun) | opsonin (noun) |
|---|---|
| an amber, watery fluid, rich in proteins, that separates out when blood coagulates | 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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