10. 
    Retina
    The area at the back of the human eye that converts incoming light into electrical impulses sent to the brain.
    Found op http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
    
    
11. 
    retina
    Light-sensitive layer of the eye. In vertebrates, looking from outside, there are four major cell layers: (i) the outer neural retina, which contains neurons (ganglion cells, amacrine cells, bipolar cells) as well as blood vessels; (ii) the photoreceptor layer, a single layer of rods and cones; (iii...
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    
12. 
    Retina
    Ret'i·na noun [ New Latin , from Latin rete a net. Confer 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 . �...
    Found op http://www.encyclo.co.uk/webster/R/67
    
    
13. 
    retina
    Light sensitive layer of the eye. In vertebrates, looking from outside, there are four major cell layers: (i) the outer neural retina, which contains neurons (ganglion cells, amacrine cells, bipolar cells) as well as blood vessels, (ii) the photoreceptor layer, a single layer of rods and cones, (iii...
    Found op http://www.mondofacto.com/facts/dictionary?retina
    
    
14. 
    retina
    noun the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=retina
    
    
15. 
    retina
    (ret´ĭ-nә) the innermost of the three tunics of the eye, surrounding the vitreous body and continuous at the back with the optic nerve. The retina is composed of light-sensitive neurons arranged in three layers; the first layer is made up of visual cells called rods and cones, and the ot...
    Found op http://www.encyclo.co.uk/local/21001
    
    
16. 
    Retina
    • (n.) 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.
    Found op http://thinkexist.com/dictionary/meaning/retina/
    
    
17. 
    retina
    layer of nervous tissue that covers the inside of the back two-thirds of the eyeball, in which stimulation by light occurs, initiating the sensation ... [19 related articles]
    Found op http://www.britannica.com/eb/a-z/r/39
    
    
18. 
    retina
    retina (s), retinae (pl) 1. The innermost coat of the posterior part of the eyeball that receives the image produced by the lens, is continuous with the optic nerve, and consists of several layers, one of which contains the rods and cones that are sensitive to light. 2. The delicate multilayered li...
    Found op http://www.wordinfo.info/words/index/info/view_unit/1839/
    
    
19. 
    Retina
    The vertebrate retina (from Latin rēte, meaning "net") is a light-sensitive tissue lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina, which serves much the same function as the film in a camera. Light striking the retina initiates a cascad...
    Found op http://en.wikipedia.org/wiki/Retina
    
    
20. 
    Retina
    The area at the back of the human eye that converts incoming light into electrical impulses sent to the brain
    Found op http://www.digitalexposure.ca/sub1.html
    
    
21. 
    retina
    membrane situated inside the back of the eye that is sensitive to light stimuli; it contains photoreceptors, the cones and the rods, and nerve cells that transmit to the optic nerve the signals resulting from stimulation of the photoreceptors
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-02-01
    
    
22. 
    retina
    Inside the human eye. Credit: Mayo Clinic The light-sensitive layer that lines the interior of the eye of vertebrates and some cephalopods. In the vertebrate eye it is part of the central nervous system – effectively a photosensitive extension of the brain. Anatomy of the human retina ...
    Found op http://www.daviddarling.info/encyclopedia/R/retina.html
    
    

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