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1. (n.) ouabain
a white crystalline glycoside, C
Etymology: (1890–95 < F ouaba(ïo) (< Somali waabayyo arrow poison) + -in1)
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| Definition of 'ouabain' |
U.S. National Library of Medicine |
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1. ouabain
A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.
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