n. [ NL., from L. rete a net. Cf. Reticule. ] (Anat.) The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See Eye. [ 1913 Webster ]
☞ The fibers of the optic nerve and the retinal blood vessels spread out upon the front surface of the retina, while the sensory layer (called Jacob's membrane), containing the rods and cones, is on the back side, next the choroid coat. [ 1913 Webster ]
‖n.;
a. (Anat.) Of or pertaining to the retina. [ 1913 Webster ]
Retinal purple (Physiol. Chem.),
n. (Chem.) A retinoid compound (
n. [ Gr. &unr_;&unr_;&unr_;&unr_; resin + -lite. ] (Min.) A translucent variety of serpentine, of a honey yellow or greenish yellow color, having a waxy resinlike luster. [ 1913 Webster ]