Tapetum

[tә'pi:tәm]

Definition

(n.) An area in the pigmented layer of the choroid coat of the eye in many animals, which has an iridescent or metallic luster and helps to make the eye visible in the dark. Sometimes applied to the whole layer of pigmented epithelium of the choroid.

Edited by Jonathan

Definition

n. (bot.) the cells on the outside of an archesporium: the pigmentary layer of the retina:—pl. Tā′peta.

Inputed by Annie