A pigment whose chemical state depends on its degree of illumination, such as those in the retina of the eye.
感光色素
Example sentencesExamples
The green and red genes encode photopigments that respond to different, overlapping regions in the middle-to-long wavelength spectrum and are adjacent to each other on the X chromosome.
The difference absorption spectroscopy in both living plasmodium and cell homogenate shows that there is a photopigment which converts reversibly between red and far-red types.
It could involve retinal photoreceptors, extraretinal photoreceptors in the pineal or elsewhere, photopigments such as cryptochromes within the retina or brain, or it might be mediated through a non-visual pathway.
Their physiological basis is reasonably well understood; they result from the saturation or bleaching of retinal photopigments under intense or prolonged illumination.
There is no physiological evidence for a third photopigment sensitive to blue wavelengths.
Definition of photopigment in US English:
photopigment
nounˌfōdōˈpiɡmənt
A pigment whose chemical state depends on its degree of illumination, such as those in the retina of the eye.
感光色素
Example sentencesExamples
The difference absorption spectroscopy in both living plasmodium and cell homogenate shows that there is a photopigment which converts reversibly between red and far-red types.
Their physiological basis is reasonably well understood; they result from the saturation or bleaching of retinal photopigments under intense or prolonged illumination.
There is no physiological evidence for a third photopigment sensitive to blue wavelengths.
It could involve retinal photoreceptors, extraretinal photoreceptors in the pineal or elsewhere, photopigments such as cryptochromes within the retina or brain, or it might be mediated through a non-visual pathway.
The green and red genes encode photopigments that respond to different, overlapping regions in the middle-to-long wavelength spectrum and are adjacent to each other on the X chromosome.