| / English Dictionary |
OPSONIN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes
Classified under:
Hypernyms ("opsonin" is a kind of...):
antibody (any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response)
Holonyms ("opsonin" is a substance of...):
blood serum; serum (an amber, watery fluid, rich in proteins, that separates out when blood coagulates)
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