Pyramid of light

From Biology-Online Dictionary
Jump to: navigation, search

pyramid of light

A triangular area at the anterior inferior part of the tympanic membrane, running from the umbo to the periphery, where there is seen a bright reflection of light.

Synonym: cone of light, light reflex, politzer's luminous cone, red reflex, wilde's triangle.

Malacarne's pyramid, a lobule on the undersurface of the cerebellum, the posterior portion of the vermis.