phen·​tet·​io·​tha·​lein ˌfen-ˌtet-ī-ō-ˈthal-ē-ən, -ˈthāl- How to pronounce phentetiothalein (audio)
: a substance or its disodium salt C20H8I4Na2O4 isomeric with iodophthalein used especially formerly as a radiopaque medium in cholecystography and in tests of liver function

called also phenoltetraiodophthalein

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Cite this Entry

“Phentetiothalein.” Medical Dictionary, Merriam-Webster, Accessed 28 Sep. 2023.

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