part of 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 BTO:0001829 CALOHA:TS-2054 EMAPA:19077 EV:0100347 FMA:58298 GAID:913 MA:0000263 MESH:D002829 MP treats posterior uvea and optic choroid as distinct NCIT:C12344 TAO:0005229 UBERON:0001776 UMLS:C0008520 VHOG:0001568 ZFA:0005229 check choroid vs choroid layer; check ZFA/TAO placement - no homology assertion in VHOG. Note this is entirely in the posterior region of eyeball in ZFA chorioid choroid choroid coat choroidal choroidea choroidea eye choroid optic choroid posterior uvea uberon 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]. posterior segment of eyeball vasculature of eye anterior uvea chorioretinal region