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Table 1 Average ipRGC densities

From: Type I intrinsically photosensitive retinal ganglion cells of early post-natal development correspond to the M4 subtype

Age Total mel + mm−2 mel+/ SMI- mm−2 mel+/ SMI+ mm−2 Total SMI+ mm−2 % SMI+ cells also mel+ M1 mm−2 M2 mm−2 M3 mm−2 Displaced M1 mm−2
P8 173 ± 9 116 ± 9 57 ± 5 76 ± 6 76 ± 2 39 ± 2 74 ± 6 3 ± 1 13 ± 3
P15 143 ± 6 108 ± 4 35 ± 3 58 ± 5 63 ± 4 39 ± 2 68 ± 2 2.8 ± 0.4 11 ± 2
P30 129 ± 8 106 ± 6 23 ± 2 54 ± 4 43 ± 3 36 ± 2 67 ± 6 3 ± 1 10 ± 2
P150 56 ± 2 54 ± 2 1.1 ± 0.3 60 ± 8 3 ± 1 28 ± 2 31 ± 2 1.0 ± 0.3 8 ± 2
  1. Average densities for melanopsin and SMI-32 stained cells