visual yellow

(redirected from all-trans-retinal)
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visual yellow

[′vizh·ə·wəl ′yel·ō]
(biochemistry)
An intermediary substance formed from rhodopsin in the retina after exposure to light; it is ultimately broken down to retinene and vitamin A.
References in periodicals archive ?
Involvement of all-trans-retinal in acute light-induced retinopathy of mice.
Yeast paste with 500 [micro]mol [1.sup.-1] all-trans-retinal (or without for control) was placed on the center of each half.
When rhodopsin absorbs the photon, retinal chromophore (11-cis-retinal) changes to all-trans-retinal. The conformational changes that occur in rhodopsin result in the hyperpolarization of the rod cells, which play an important role in vision [7].
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