noun
choroid; choroid coat
Anatomical term for the vascular layer of the eye between the retina and the sclera.
脈絡膜は網膜に酸素と栄養を供給する。
The choroid supplies oxygen and nutrients to the retina.
From 脈 (myaku, 'vessel') + 絡 (raku, 'entwine') + 膜 (maku, 'membrane'), describing the vascular network of this eye layer.