A radiographic contrast medium, given orally as the sodium or, more often, the calcium salt, for opacification of the gallbladder and central biliary tree.
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ipo·date 'ī-pə-.dāt n a compound that is administered in the form of its sodium salt C12H12I3N2NaO2 or its calcium salt C24H24CaI6N4O4 for use as a radiopaque medium in cholecystography and cholangiography
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ipo·date (iґpo-dāt) a contrast medium usually given as the calcium or sodium salt.Medical dictionary. 2011.