Table 3.

Presence of ectopic photoreceptors in control and RA-treated embryos

	% of embryos with ectopic photoreceptors
	zpr1+		zpr3+
	Control	RA	Control	RA
Found in GCL	57%	86%	57%	86%
Found in INL	29%	100%§	14%	100%§
	Average number of ectopic photoreceptors per eyea
	zpr1+		zpr3+
	Control	RA	Control	RA
GCL	0.92 ± 1.55	2.31 ± 4.79	3 ± 3.64	4.14 ± 5.08
INL (prox + mid)	0.08 ± 0.28	0.15 ± 0.38	0	0.64 ± 0.93*
INL (distal)	0.15 ± 0.38	2.38 ± 2.26**	0.14 ± 0.53	1.86 ± 1.79**

^§ p < 0.05 (Fisher Exact Test).

^a ± S.D.

*p < 0.05; **p < 0.01;***p < 0.001 (Student's t-test).