Fig. 7. Expression of neurofilament 68 mRNA is strongly enhanced in Mash1/ adrenal glands (B) at E14.5 when compared with wild type (A). Arrowheads indicate adrenal neurofilament-expressing cells. Arrows indicate the following sympathetic ganglia: sg, sympathetic paravertabral ganglion; srg, suprarenal ganglion; pag, pre-aortic ganglion. Scale bar: 100 µm.