opsonin
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English[edit]
Etymology[edit]
From Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”) + -in.
Pronunciation[edit]
Noun[edit]
opsonin (plural opsonins)
- Any chemical produced by the body, including antibodies and complement proteins, that causes a pathogen to be more susceptible to phagocytosis.