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PW1 and PW2 levels fully in register with S levels along the AP axis (z mm from Bregma).
| z | PW Atlas Level | S Atlas Level | |
|---|---|---|---|
| PW1 | PW2 | S92, S98, S04, S18 | |
| +5.20 | 4 | 4 | 4 |
| +4.20 | 6 | 6 | 6 |
| +3.20 | 8 | 8 | 8 |
| +1.70 | 11 | 11 | 11 |
| +1.20 | 13 | 13 | 13 |
| −0.26 | 18 | 18 | 19 |
| −8.30 | 51 | 53 | 46 |
| −9.80 | 57 | 59 | 51 |
