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Substance P immunoperoxidase-containing terminals (SP-t)
| Naive | Tolerant | |
|---|---|---|
| Percentage containing NMDAR1 (immunogold labeling) | 35% (n = 60 SP-t) | 57%* (n = 53 SP-t) |
| Number of gold particles/terminal†† | 3.7 ± 0.6 | 4.2 ± 0.6 |
| Ratio of membrane gold/total gold†† | 0.17 ± 0.04 | 0.15 ± 0.04 |
Values are the means ± SEM.
*p < 0.05 χ2.
††Not significant; Mann–Whitney rank sum test.
