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O______
Definitions
An immune protein that marks microbes for destruction by phagocytes.
Word origin
From Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”) + -in.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for opsonin yet.