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:

Nouns denoting substances

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)

Credits