Link Centre Dictionary

opsonin

op·so·nin

UK/ˈɒpsənɪn/ uncommon

noun

1.

an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes

Origin

From Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”) + -in.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.