Definition of ouabain in English:

ouabain

noun ˈuːəbeɪnwäˈbī-in

mass nounChemistry

A toxic compound obtained from certain trees, used as a very rapid cardiac stimulant. It is a polycyclic glycoside.
〔化〕乌本苷，哇巴因
Example sentencesExamples
- We have found in this study that treating of cell suspension with sodium azide, SNP, ouabain or amiloride before irradiation significantly modifies the spectrum of cell attachment enhancement.
- We treated rat lungs with amiloride and ouabain, respectively.
- An unexpected result is that ouabain and amiloride, which do not react directly with cytochrome c oxidase, modify significantly the absorption of the photoacceptor (mirrored by the action spectrum in our case).
- It would have been preferable to discard this possibility by more complete blockade of active sodium transport (with the use of a sodium channel blocker in addition to ouabain, instead of ouabain alone).
- On the extracellular side of the membrane, a small extracellular domain is composed of short loops between various transmembrane helices and contains the binding site for ouabain.

Origin

Late 19th century: via French from Somali wabayo, denoting a tree that yields poison (used on arrow points) containing ouabain.

Definition of ouabain in US English:

ouabain

nounwäˈbī-in

Chemistry

A toxic compound obtained from certain trees, used as a very rapid cardiac stimulant. It is a polycyclic glycoside.
〔化〕乌本苷，哇巴因
Example sentencesExamples
- On the extracellular side of the membrane, a small extracellular domain is composed of short loops between various transmembrane helices and contains the binding site for ouabain.
- We treated rat lungs with amiloride and ouabain, respectively.
- We have found in this study that treating of cell suspension with sodium azide, SNP, ouabain or amiloride before irradiation significantly modifies the spectrum of cell attachment enhancement.
- An unexpected result is that ouabain and amiloride, which do not react directly with cytochrome c oxidase, modify significantly the absorption of the photoacceptor (mirrored by the action spectrum in our case).
- It would have been preferable to discard this possibility by more complete blockade of active sodium transport (with the use of a sodium channel blocker in addition to ouabain, instead of ouabain alone).

Origin

Late 19th century: via French from Somali wabayo, denoting a tree that yields poison (used on arrow points) containing ouabain.

单词	ouabain
释义	Definition of ouabain in English: ouabain noun ˈuːəbeɪnwäˈbī-in mass nounChemistry A toxic compound obtained from certain trees, used as a very rapid cardiac stimulant. It is a polycyclic glycoside. 〔化〕乌本苷，哇巴因 Example sentencesExamples We have found in this study that treating of cell suspension with sodium azide, SNP, ouabain or amiloride before irradiation significantly modifies the spectrum of cell attachment enhancement. We treated rat lungs with amiloride and ouabain, respectively. An unexpected result is that ouabain and amiloride, which do not react directly with cytochrome c oxidase, modify significantly the absorption of the photoacceptor (mirrored by the action spectrum in our case). It would have been preferable to discard this possibility by more complete blockade of active sodium transport (with the use of a sodium channel blocker in addition to ouabain, instead of ouabain alone). On the extracellular side of the membrane, a small extracellular domain is composed of short loops between various transmembrane helices and contains the binding site for ouabain. Origin Late 19th century: via French from Somali wabayo, denoting a tree that yields poison (used on arrow points) containing ouabain. Definition of ouabain in US English: ouabain nounwäˈbī-in Chemistry A toxic compound obtained from certain trees, used as a very rapid cardiac stimulant. It is a polycyclic glycoside. 〔化〕乌本苷，哇巴因 Example sentencesExamples On the extracellular side of the membrane, a small extracellular domain is composed of short loops between various transmembrane helices and contains the binding site for ouabain. We treated rat lungs with amiloride and ouabain, respectively. We have found in this study that treating of cell suspension with sodium azide, SNP, ouabain or amiloride before irradiation significantly modifies the spectrum of cell attachment enhancement. An unexpected result is that ouabain and amiloride, which do not react directly with cytochrome c oxidase, modify significantly the absorption of the photoacceptor (mirrored by the action spectrum in our case). It would have been preferable to discard this possibility by more complete blockade of active sodium transport (with the use of a sodium channel blocker in addition to ouabain, instead of ouabain alone). Origin Late 19th century: via French from Somali wabayo, denoting a tree that yields poison (used on arrow points) containing ouabain.
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