Table 3.
Morphometric indices of erythrocytes and nuclei of Oreochromis niloticus exposed to fluoxetine for 96 h.
| Morphometric indices | Treatment groups |
|||||
|---|---|---|---|---|---|---|
| NC | SC | 10 µg/L | 100 µg/L | 1000 µg/L | PC | |
| EL (µm) | 10.59 ± 0.38 | 10.54 ± 0.27 | 10.52 ± 0.32 | 9.83 ± 0.30* | 9.33 ± 0.59* | 9.06 ± 0.23* |
| EW (µm) | 7.32 ± 0.34 | 7.47 ± 0.20 | 7.35 ± 0.20 | 7.33 ± 0.22 | 7.18 ± 0.24 | 6.81 ± 0.21* |
| EL/EW | 1.46 ± 0.09 | 1.42 ± 0.06 | 1.44 ± 0.06 | 1.35 ± 0.06* | 1.31 ± 0.06* | 1.34 ± 0.06* |
| NL (µm) | 4.77 ± 0.29 | 4.96 ± 0.11 | 4.97 ± 0.09 | 4.63 ± 0.12 | 4.51 ± 0.31* | 4.27 ± 0.30* |
| NW (µm) | 3.03 ± 0.11 | 3.04 ± 0.04 | 3.08 ± 0.05 | 3.12 ± 0.10 | 3.15 ± 0.27 | 3.11 ± 0.20 |
| NL/NW | 1.60 ± 0.10 | 1.64 ± 0.04 | 1.62 ± 0.05 | 1.50 ± 0.04* | 1.45 ± 0.09* | 1.38 ± 0.07* |
| ES (µm2) | 60.92 ± 3.66 | 61.74 ± 2.12 | 60.69 ± 2.16 | 56.63 ± 2.50* | 52.69 ± 4.67* | 48.49 ± 2.04* |
| NS (µm2) | 11.39 ± 0.93 | 11.88 ± 0.37 | 12.03 ± 0.29 | 11.36 ± 0.57 | 11.21 ± 1.56 | 10.50 ± 1.34 |
| NS/ES | 0.19 ± 0.01 | 0.19 ± 0.01 | 0.20 ± 0.01 | 0.20 ± 0.01 | 0.21 ± 0.02* | 0.22 ± 0.02* |
The results expressed as mean ± standard deviation. * Statistically significant differences to the negative control group (p < 0.05). NC: negative control group; SC: solvent control group; PC: positive control group; 10, 100, 1000: treatment groups exposed to 10 µg/L, 100 µg/L and 1000 µg/L of FLX, respectively; EL: erythrocyte major axis; EW: erythrocyte minor axis; NL: nucleus major axis; NW: nucleus minor axis; ES: erythrocyte size; NS: nucleus size.