The elements composing the<unk>  (Jacob's membrane) in the retina of the eye are of two kinds, rod cells and<unk> cells, the former being much more numerous than the latter except in the macula lutea. Jacob's membrane is named after Irish ophthalmologist Arthur Jacob, who was the first to describe this nervous<unk>  of the retina.
Layer of rods and cones
Outer plexiform layer
Retinal nerve fiber layer
Inner plexiform layer
Iris pigment epithelium
Ganglion cell layer
Corneal endothelium
Episcleral layer