Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
opsonin | Yes | No | No | No |
blood serum | Yes | No | No | No |
opsonin (noun) | blood serum (noun) |
---|---|
an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes | an amber, watery fluid, rich in proteins, that separates out when blood coagulates |