choriocapillaris

noun

cho·​rio·​cap·​il·​lar·​is -ˌkap-ə-ˈlar-əs 

: the inner of the two vascular layers of the choroid of the eye that is composed largely of capillaries

The adjacent choriocapillaris, the capillary layer of the choroid, is the vascular system that feeds the outer retina.

—Paulus T.V.M. de Jong, The New England Journal of Medicine