Tetrachromacy

（重定向自Tetrachromat）

The four pigments in a bird's cones (in this example, estrildid finches) extend the range of color vision into the ultraviolet.[1]

Tetrachromacy is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cells in the eye. Organisms with tetrachromacy are called tetrachromats.

In tetrachromatic organisms, the sensory color space is four-dimensional, meaning that to match the sensory effect of arbitrarily chosen spectra of light within their visible spectrum requires mixtures of at least four primary colors.

单词	Tetrachromat
释义	Tetrachromat 原声例句机智生活百科 There is a chance you are a tetrachromat. 你有可能具有四色视觉。英语百科 Tetrachromacy （重定向自Tetrachromat） Tetrachromacy is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cells in the eye. Organisms with tetrachromacy are called tetrachromats. In tetrachromatic organisms, the sensory color space is four-dimensional, meaning that to match the sensory effect of arbitrarily chosen spectra of light within their visible spectrum requires mixtures of at least four primary colors.
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