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Figure 6


Fig. 6. (A) Selected oxygen profiles measured in the retina of rainbow trout. Positions of electrode tip (x-axis) range from vitreous humor (negative values) to inner surface of retina (0 µm) to the outer limit of the retina (approx. 450 µm). Lowest PO2 values were generally measured at the inner surface of the retina, while highest PO2 were associated with the outer limit of the retina. Duplicate lines in each profile result from insertion and withdrawal of the measuring electrode (cf. Waser and Heisler, 2005). (B) Mean and standard deviation of maximum intraretinal PO2 (N=20). Since almost identical values (mean, s.d., N) are given by Desrochers et al. (Desrochers et al., 1985), it is unlikely that the applied methods are the sole cause of the variation.





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