视色素是以一种生色团(hnomogen)作为辅基的色素蛋白,或者说是由生色团和视蛋白(opsin)两部分组成。由于生理学上所测得的光谱敏感度曲线是与光感受器内光敏色素(视色素)的吸收光谱一致,因此认为视色素是感受光的最初的物质基础。
实际上,绝大部分昆虫都是色盲,它们的视觉系统仅存在两类视色素(visual pigments),黄绿视色素和蓝光紫外光视色素,即仅识别黄、绿光和蓝、紫外光,换言之,大部分昆虫都是红色色盲。
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万计的视色素 visiual pigment
类视色素 [生化] retinoid
视网膜色素变性 retinitis pigmentosa ; RP ; pigmentary degeneration of retina ; primary pigmentary degeneration of retina
视锥细胞中的视色素 Visual Pigments
视网膜色素上皮细胞 retinal pigment epithelium ; retinal pigment epithelial cell ; human retinal pigment epithelium
视网膜色素上皮 RPE ; retinal pigment epithelium ; human Retinal Pigment Epithelium ; HRPE
色素性视网膜炎 [眼科] retinitis pigmentosa ; NARP ; RP
视网膜色素 [生化] retinochrome ; [生化] retinal pigment ; [生化] rhodopsin
视色素蛋白 visual chromoprotein
慈鲷有最非凡的视觉系统。人类有这种基因,有三种不同的类型的视色素,称为视蛋白。慈鲷有七种。
Cichlids have some of the most incredible visual systems known. Humans have genes that code for three different types of visual pigments, called opsins. Cichlids have seven.
国外还有资料报道说,睡前饮酒会伤害视网膜,阻碍视网膜产生感光视色素,使其在黑暗环境中辨别物体的能力下降。
There is also information abroad reported that bedtime drink will hurt the retina, retinal hampered as a photosensitive pigment, so in the dark environment decline in the ability to identify objects.
在一种松鼠猴中,雄松鼠猴缺少一种叫做L视蛋白视觉色素。
In one type of squirrel monkey, the males lack a visual pigment called L-opsin.
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