cone of light -->
pyramid of light
medical dictionary

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.

Synonyms: 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.

(05 Mar 2000)