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Table 2 Densities of rods and red cones in retinas probed for both rod and red cone opsins

From: Plasticity of photoreceptor-generating retinal progenitors revealed by prolonged retinoic acid exposure

  Cell densities (cells/3600 μm2)
60 hpf
Theoretical red to rod
photoreceptor change (n = 6)a
Cell Type Control RA 25% 50%
Rods 13.3 ± 4.0 16.9 ± 4.3 25.2 ± 4.9 37.2 ± 5.4
Cones:     
Red 47.7 ± 8.2 35.8 ± 6.3 35.8 ± 5.9 23.8 ± 4.6
  1. aTheoretical patterns based on changing 25% or 50% of red cones in the native control patterns to rod identity.