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opsonin

Term: opsonin


Literally meaning: to supply or prepare food”

Origin: Anc Greek
οψωνώ/opsono(=buy meat or food) >όψον/opson(=meat, spice, food, fish)

Coined/History
In 1904 by British bacteriologist and immunologis Almroth Wright coined (1861–1947) who noticed a phagocytosis-promoting effect of serum because of some unknown substances.

Definition
An opsonin is any molecule that attaches an antigen enhancing phagocytosis.

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