Table 1.
Volume (percent of ooplasm) and surface density (Mean ± SEM, μm2/μm3 of ooplasm) of mitochondria, SER profiles and vesicles; and number (Mean ± SEM, per 1000 μm3 of ooplasm) of SER profiles and vesicles in oocytes at different stages of follicular development
| Organelle | Parameter (P-value) | GrowingW1 (D3W1) | StaticW1 (D6W1) | RegressionW1 (D1W2) | Preovulatory (D ≥ 17) |
|---|---|---|---|---|---|
| Mitochondria | Volume (%) (P = 0.04) | 2.3 ± 0.2a | 2.6 ± 0.3a | 3.9 ± 0.5b | 2.4 ± 0.4a |
| Surface Density (μm2/μm3) (P = 0.03) | 0.287 ± 0.035a | 0.299 ± 0.046a | 0.451 ± 0.039b | 0.326 ± 0.049a | |
| SER profiles | Volume (%) (P = 0.87) | 3.9 ± 0.2 | 4.9 ± 0.1 | 4.7 ± 0.8 | 4.4 ± 0.4 |
| Surface Density (μm2/μm3) (P = 0.34) | 0.652 ± 0.065 | 0.599 ± 0.106 | 0.780 ± 0.065 | 0.653 ± 0.055 | |
| Number (/1000 μm3) (P = 0.78) | 521.5 ± 87.5 | 467.3 ± 84.9 | 670.1 ± 85.4 | 650.2 ± 40.9 | |
| Vesicles | Volume (%) (P = 0.42) | 20.4 ± 2.9 | 16.4 ± 1.7 | 16.2 ± 2.8 | 21.6 ± 3.2 |
| Surface Density (μm2/μm3) (P = 0.84) | 0.972 ± 0.126 | 0.878 ± 0.073 | 0.884 ± 0.141 | 1.005 ± 0.083 | |
| Number (/1000 μm3) (P = 0.86) | 197.1 ± 33.3 | 185.8 ± 23.7 | 254.3 ± 94.4 | 202.4 ± 9.3 |
abValues with different superscripts are different (P < 0.05). Analyses were done on proportions, not percentages