Table 1. Effect of prenatal exposure to nano-TiO₂ on the titanium content of the hippocampus in offspring mice.

Index	Nano-TiO2 (mg per kg BW)
	0	1	2	3
Ti(ng ml–1)	0.03 ± 0.001a	15.82 ± 1.09b	24.85 ± 1.73c	38.86 ± 2.95d