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opsonin
[ op-suh-nin ]
noun
, Immunology.
- a constituent of normal or immune blood serum that makes invading bacteria more susceptible to the destructive action of the phagocytes.
opsonin
/ ɒpˈsɒnɪk; ˈɒpsənɪn /
noun
- a constituent of blood serum that renders invading bacteria more susceptible to ingestion by phagocytes in the serum
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Derived Forms
- opsonic, adjective
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Other Words From
- opso·noid adjective
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Word History and Origins
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Word History and Origins
Origin of opsonin1
C20: from Greek opsōnion victuals
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Example Sentences
They appear to be more or less specific, a separate opsonin being necessary for phagocytosis of each species of bacteria.
From Project Gutenberg
Opsonin is what you butter the disease germs with to make your white blood corpuscles eat them.
From Project Gutenberg
The "opsonin," or "relish," is something exuded into or produced in the blood fluid when the attacking microbe arrives.
From Project Gutenberg
Wright proposed for these bodies the name opsonin, derived from a Greek word signifying to prepare a meal for.
From Project Gutenberg
In the case of diphtheria, the antitoxin appears to be more efficacious than an opsonin.
From Project Gutenberg
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