part_of part of part of has_part has part has part adjacent to adjacent to adjacent_to contributes to morphology of retina uvea sclera optic choroid choroid optic choroid posterior uvea vascular layer containing connective tissue, of the eye lying between the retina and the sclera. The choroid provides oxygen and nourishment to the outer layers of the retina. Along with the ciliary body and iris, the choroid forms the uveal tract[WP]. eye choroid choroidea choroidea chorioid choroid coat posterior segment of eyeball vasculature of eye anterior uvea chorioretinal region