Table 2 Differences among species in follicle diameter, oocyte diameter and number of granulosa cells
From: Ultrastructural changes in oocytes during folliculogenesis in domestic mammals
Species | Follicular diameter (μm) | Oocyte diameter (μm) | Mean number of granulosa cells | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | PL | PR | S | PL | PR | S | PL | PR | S |
Cattle [44] | 36 | 49 | 88 | 28 | 32 | 44 | 7 | 15 | 62 |
Buffalo [45] | 35 | 42 | 53 | 25 | 27 | 29 | 4-8 | 8-20 | - |
Sheep [46] | 41 | 75 | 129 | 35 | 52 | 73 | 16 | 128 | 637 |
Goat [47] | 20 | 24 | 44 | 16 | 17 | 25 | 6 | 11 | 31 |
Cat [39] | 28 | 41 | 75 | 23 | 30 | 41 | 7 | 13 | 46 |
Dog [41] | 28 | 43 | 102 | 22 | 28 | 48 | 6 | 15 | 62 |
Human [48] | 35 | 42 | 77 | 32 | 32 | 48 | 13 | 52 | 360 |
Pig [49] | 34 | 40 | 85 | 26 | 27 | 39 | 5 | 8 | 50 |