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. Author manuscript; available in PMC: 2017 Feb 3.
Published in final edited form as: Toxicol Lett. 2015 Nov 24;242:9–22. doi: 10.1016/j.toxlet.2015.11.021

Figure 4.

Figure 4

(A) Representative immunofluorescence images of neurite outgrowth within NSC cultures, at 1, 7 and 14 day time points. Quantification of neurite outgrowth at each dosage of cadmium (B), mercury (C), and lead (D), performed at regular intervals over a 14-day culture. Cadmium chloride, mercury chloride and lead acetate were each added at 10 pM to 1 nM dosage. Metal-free cultures served as controls. Scale bar: 50 μm. * indicates p < 0.05, † indicates p < 0.01, ‡ indicates p < 0.001, and no notation for p > 0.05, compared to controls.