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tapetum

tapetum

1 9.6
A shiny layer behind the eye that helps animals see at night
  • noun
  • /təˈpiːtəm/
  • Specialized
: tapetum
  • In animals like cats and dogs, the tapetum lucidum is situated behind the retina and contributes to their ability to see in the dark.
  • tapetum lucidum

Examples

  • In bright light, a layer of pigment cells blocks light from reaching the tapetum lucidum.

    Academic text (1994)
  • And unlike the majority of nocturnal mammals—but like all haplorrhines—tarsiers lack the light-reflecting layer of tissue behind the retina known as the tapetum lucidum.

    Academic text (2010)
  • So when light shines into the eye of an animal with a tapetum lucidum, the pupil appears to glow.

    Blog text (20)
  • Like cats, their eyes contain a tapetum lucidum, a layer of cells under the retina that reflects light like a mirror back onto the rods to enable them to see while they feed at night.

    Academic text (1994)
  • The tapetum is a reflective layer behind the retina, which helps cats see better in low light.

  • When light enters the eyes of many nocturnal animals, the tapetum reflects it, allowing for enhanced night vision.

Surface Forms

tapetum singular
tapeta plural

Etymology

Tapetum comes from a Latin word meaning 'carpet' or 'tapestry', so you can picture a tiny carpet behind the eye that reflects light. That's why the tapetum helps some animals see better at night.