Medical Dictionary

iodophthalein

noun io·do·phtha·lein
\ī-ˌōd-ə-ˈthal-ē-ən, ī-ˈäd-, -ˈthal-ˌēn, -ˈthāl-\

Medical Definition of IODOPHTHALEIN

:  a derivative of phenolphthalein or its soluble blue-violet crystalline disodium salt C20H8I4Na2O4 used to render the gallbladder opaque to X-rays and formerly to treat typhoid carriers—called also tetraiodophenolphthalein

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