Tapetum lucidum

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	Tapeta lucida
释义	Tapeta lucida 原声例句 TED-Ed（视频版） And like cats, they have reflective membranes called tapeta lucida at the backs of their eyes that dramatically improve their vision in low light. 包括哪些濒死的鱼类发出的声波在鲨鱼的后眼角位置有一种反光膜类似于猫眼的反光组织。英语百科 Tapetum lucidum 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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Tapeta lucida

Tapetum lucidum