Table 1.

Number of end buds in metanephroi

Numbers of end buds
Conditions	RA	HC
End buds	13.8 ± 0.7	22.8 ± 0.8**

Metanephroi were cultured under RA or HC for two days. Data represent means ± SEM of n = 5 experiments. RA, room air; HC, hypoxic conditions. **p < 0.01 versus RA.