selenomethionine

noun
sel·​e·​no·​me·​thi·​o·​nine | \ -mə-ˈthī-ə-ˌnēn How to pronounce selenomethionine (audio) \

Medical Definition of selenomethionine

: a selenium analog C5H11NO2Se of methionine in which sulfur is replaced by selenium and that is used as a diagnostic aid in scintigraphy especially of the pancreas and as a dietary supplement

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