Table 1.

The mean number of axons per explant in cultures with different concentrations of Shh-N protein

Concentration of Shh-N (μg/ml) Mean number of axons per explant SD
0.00 63.9 21.7
0.15 59.0 32.5
0.30 44.1 26.6
0.63 79.2 29.1
0.94 61.2 31.9
1.25 65.9 24.1
1.88 56.0 17.2
2.50 55.7 25.0