Composites of sagittal view at the level of the septal nuclei and the RMS 3 d (A) and 5 d (B) after caudal injection (vibratome sections). Inserted diagram indicates the injection site. Arrows, Labeled cells dispersing in the olfactory cortex by 5 dpi. Thick arrows, Injection level. Arrowheads, The caudal tip of the SVZ appearing in this level. Hip, Hippocampus; Sep Nuc, septal nuclei; OB, olfactory bulb; SCWM, subcortical white matter; CC, corpus callosum. Scale bars: A, B, 800 μm; B, inset, 100 μm.