I would like to find out the number of bipolar cells in the primate retina and how it varies with eccentricity. Anyone knows please?

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Carl J Bassi

Martin, Paul R., and Ulrike Grünert. "Spatial density and immunoreactivity of bipolar cells in the macaque monkey retina." Journal of Comparative Neurology 323.2 (1992): 269-287: used the differential immunoreactivity to antisera against glutamate, glycine, GABA, parvalbumin, calbindin (CaBP D-28K), and the L7 protein from mouse cerebellum to distinguish bipolar cells can be from amacrine and horizontal cells in macaque retina.

Grünert, U., Martin, P. R., & Wässle, H. (1994). Immunocytochemical analysis of bipolar cells in the macaque monkey retina. Journal of Comparative Neurology, 348(4), 607-627; used a variety of anitbodies including the β isozyme of protein kinase C (PKCAβ), a monoclonal antibody raised against rabbit olfactory bulb glutamate transporter protein (GLT-1), calbindin (CaBP D-28K), and α isozyme of PKC to label different bipolar subtypes. Their comparison of the spatial density of cone bipolar cell populations with that of photoreceptors suggested that each bipolar cell class provides a complete coverage of the cone array.