Fig. 7.

Abnormal pathfinding of TCAs in Fgf8^null/neo embryos. a, b Medial views of the brain hemispheres with DiI crystals in the Th of control (a) and Fgf8^null/neo (b) mice brains. c, d Sagittal sections at E16.5 of the corresponding brains after DiI diffusion. e, f Experimental paradigm used to test TCAs in control and Fgf8^null/neo E16.5 embryos; the axonal tract is represented in red. Scale bar: 200 µm in a, b; 150 µm in c and d