(from the article `eye, human`) Separating the choroid (the middle tunic of the globe) from the retina proper is a layer of pigmented cells, the pigment epithelium of the retina; ...
Epithelium composed of cells containing granules of pigment or melanin, as in the retinal or iris pigment layer. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. epithelium composed of cells containing granules of pigment or melanin, as in the retinal or iris pigment layer.