Abstract
The retina is not only an exceedingly interesting structure in its own right, but it presents an exceptional opportunity for study of the central nervous system, of which it is an integral part. In the retina a number of nervous elements which are usually intimately mixed together have been sorted out into discrete layers. Analysis of each of these layers could provide information as to the composition of several kinds of cell bodies, dendrites, naked axons, and even synapses (in the outer reticular layer) in addition to the rods and cones themselves.
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