Fig. 4.
Maximal % increase of NADH fluorescence (i.e. reduction) during hypoxia 15 s or 10 min after hsd onset in slices from 1–2, 3–6, 12–20 and >22 months old rats. Significant differences were found between the NADH reduction during 15 s and 10 min hypoxia post-hsd in slices from 3–6 and >22 months old rats (***p < 0.001).