A radiographic contrast medium formerly used for intravenous urography; also used to determine the renal plasma flow and the renal tubular excretory mass. SYN: diodone.
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io·do·pyr·a·cet ī-.ōd-ə-'pir-ə-.set, ī-.äd- n a salt C8H19I2N2O3 used as a radiopaque medium esp. in urography called also diodone
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io·do·pyr·a·cet (i-o″do-piґrə-set) a radiopaque medium, used especially in urography; administered intravenously or intramuscularly.Medical dictionary. 2011.