- bacteriopsonin
- An opsonin that may be an antibody acting upon bacteria rendering them susceptible to phagocytic cells.
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bac·te·ri·op·so·nin (bak-tēr″e-opґso-nin) an opsonizing antibody that interacts with bacteria to render them more susceptible to ingestion by phagocytic cells than they otherwise would be.
Medical dictionary. 2011.