Neuronal architecture of on and off pathways to ganglion cells in carp retina

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Science  23 Dec 1977:
Vol. 198, Issue 4323, pp. 1267-1269
DOI: 10.1126/science.73223


Bipolar, amacrine, and ganglion cells of carp retina, stained intracellularly with Procion yellow, can be divided into types a and b, according to the destination of terminals and dendritic trees in the inner plexiform layer (sublamina a and b, respectively). Type a cells showed hyperpolarizing, or off, responses and type b cells depolarizing, or on, responses. Carp thus resembles cat in the basic organization of on and off pathways in the retina.

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