Interplexiform cells, which may provide a centrifugal pathway within the retina, have been demonstrated in several vertebrate species. As revealed by Golgi stains, these cells are also present in rabbit retina and have several different morphologies. It appears that interplexiform cells are not only a general feature of the vertebrate retina, but are present in significant numbers.
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Oyster et al. (1977) studied this question.