| |
Definitions for: Retina
[n] the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
Webster (1913) Definition: Ret"i*na, 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.
Note: 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.
See Also: blind spot, cone, cone cell, eye, fovea, fovea centralis, macula, macula lutea, macular area, membrane, neuroepithelium, oculus, optic, optic disc, optic disk, parafovea, peeper, retinal cone, retinal rod, rod, rod cell, tissue layer, visual cell, yellow spot
|
