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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