opsonin

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noun op·so·nin \ˈäp-sə-nən\

Definition of opsonin

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

Origin and Etymology of opsonin

Latin opsonare to buy provisions, cater (from Greek opsōnein) + English 1-in — more at oligopsony


First Known Use: 1903


Medical Dictionary

opsonin

play
noun op·so·nin \ˈäp-sə-nən\

Medical Definition of opsonin

  1. :  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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