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opsonic index


Definition: a value that indicates the relative content of opsonin in the blood of a person with an infectious disease, as evaluated in vitro in comparison with presumably normal blood; the opsonic index is calculated from the following equation: phagocytic index of normal serum ÷ phagocytic index of test serum = 1 ÷ x, where x represents the opsonic index.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.