Medical Dictionary

opsonin

noun op·so·nin \ˈäp-sə-nən\

Medical Definition of OPSONIN

:  any of various proteins (as complement or antibodies) that bind to foreign particles and microorganisms (as bacteria) making them more susceptible to the action of phagocytes

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May 23, 2015
debouch Hear it
to emerge or cause to emerge
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