Figure 10

Numbers and area profiles of 'chromaffin' granules of cells in sympathetic ganglia. (A) The number of granules in the sympathetic ganglia was significantly enhanced in the group of the bone morphogenetic protein-4 (BMP-4)-treated embryos at stage 33. The data are presented as mean numbers of granules (± standard error of the mean). (B) BMP-4 treatment increased the mean profile area of 'chromaffin' granules in the sympathetic ganglia of stage 32 and 33 embryos. The data are presented as mean profile area (± standard error of the mean).*p ≤ 0.05; **p ≤ 0.01.