Definition of opsin in English:

opsin

noun ˈɒpsɪnˈäpsən

mass nounBiochemistry

A protein which forms part of the visual pigment rhodopsin and is released by the action of light.
〔生化〕视蛋白
Example sentencesExamples
- Visual pigments are composed of a light-absorbing chromophore that is bound to the protein opsin.
- Every photopigment consists of a derivative of vitamin A linked to a protein molecule called an opsin.
- Vitamin A then combines with a protein opsin to form rhodopsin.
- Rhodopsin consists of a protein called opsin bonded to a pigment called retinal.
- The transport of opsin to the outer segment of photoreceptor cells seems especially critical for viability of these cells.

Origin

1950s: shortening of rhodopsin.

Definition of opsin in US English:

opsin

nounˈäpsən

Biochemistry

A protein which forms part of the visual pigment rhodopsin and is released by the action of light.
〔生化〕视蛋白
Example sentencesExamples
- Visual pigments are composed of a light-absorbing chromophore that is bound to the protein opsin.
- The transport of opsin to the outer segment of photoreceptor cells seems especially critical for viability of these cells.
- Vitamin A then combines with a protein opsin to form rhodopsin.
- Every photopigment consists of a derivative of vitamin A linked to a protein molecule called an opsin.
- Rhodopsin consists of a protein called opsin bonded to a pigment called retinal.

Origin

1950s: shortening of rhodopsin.

词汇	opsin
释义	Definition of opsin in English: opsin noun ˈɒpsɪnˈäpsən mass nounBiochemistry A protein which forms part of the visual pigment rhodopsin and is released by the action of light. 〔生化〕视蛋白 Example sentencesExamples Visual pigments are composed of a light-absorbing chromophore that is bound to the protein opsin. Every photopigment consists of a derivative of vitamin A linked to a protein molecule called an opsin. Vitamin A then combines with a protein opsin to form rhodopsin. Rhodopsin consists of a protein called opsin bonded to a pigment called retinal. The transport of opsin to the outer segment of photoreceptor cells seems especially critical for viability of these cells. Origin 1950s: shortening of rhodopsin. Definition of opsin in US English: opsin nounˈäpsən Biochemistry A protein which forms part of the visual pigment rhodopsin and is released by the action of light. 〔生化〕视蛋白 Example sentencesExamples Visual pigments are composed of a light-absorbing chromophore that is bound to the protein opsin. The transport of opsin to the outer segment of photoreceptor cells seems especially critical for viability of these cells. Vitamin A then combines with a protein opsin to form rhodopsin. Every photopigment consists of a derivative of vitamin A linked to a protein molecule called an opsin. Rhodopsin consists of a protein called opsin bonded to a pigment called retinal. Origin 1950s: shortening of rhodopsin.
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