Tapetum lucidum

（重定向自Eyeshine）

Camera flash reflection from tapetum lucidum in a domestic cat

In darkness, eyeshine reveals this raccoon

A three-month-old black Labrador puppy with apparent eye shine

The tapetum lucidum /təˈpiːtəm/ (Latin: "bright tapestry; coverlet", plural tapeta lucida) is a layer of tissue in the eye of many vertebrates. Lying immediately behind the retina it reflects visible light back through the retina, increasing the light available to the photoreceptors, though blurring the initial image of the light on focus. The tapetum lucidum contributes to the superior night vision of some animals. Many of these animals are nocturnal, especially carnivores that hunt their prey at night, while others are deep sea animals.

单词	Eyeshine
释义	Eyeshine 原声例句喵星人知多少 Some fish eyes use guanine—one of the chemical building blocks in DNA—and have white eyeshine. 一些鱼的眼睛使用鸟嘌呤——DNA 中的一种化学成分——并且有白色的眼睛。喵星人知多少 The color of that glow, also called eyeshine, depends on what the tapetum lucidum is made of. 发光的颜色，也称为眼光，取决于绒毡层的成分。喵星人知多少 And the amount of zinc does a lot to determine how yellow or green or even blue their eyeshine is. 锌的含量在很大程度上决定了眼睛的黄色、绿色甚至蓝色。英语百科 Tapetum lucidum （重定向自Eyeshine） The tapetum lucidum /təˈpiːtəm/ (Latin: "bright tapestry; coverlet", plural tapeta lucida) is a layer of tissue in the eye of many vertebrates. Lying immediately behind the retina it reflects visible light back through the retina, increasing the light available to the photoreceptors, though blurring the initial image of the light on focus. The tapetum lucidum contributes to the superior night vision of some animals. Many of these animals are nocturnal, especially carnivores that hunt their prey at night, while others are deep sea animals.
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