Table 1.
Percentages of the number of NR2B neurons immunoreactive for nNOS in diestrus and proestrus rats
| AVPV | MEPO | MPO | MPN | |
|---|---|---|---|---|
| Diestrus | 13.9 ± 3.4 | 49.4 ± 2.1 | 32.5 ± 2.6 | 30.5 ± 1.2 |
| Proestrus | 12.6 ± 1.2 | 51.0 ± 2.4 | 30.8 ± 1.1 | 31.3 ± 0.5 |
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Four animals were used for counting in both stages of the estrous cycle; per animal, an average of 385 ± 31 NR2B-immunoreactive neurons was considered in the AVPV, 681 ± 29 in the MEPO, 422 ± 15 in the MPO, and 416 ± 21 in the MPN.




