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Measurements of condensed ZNS5-positive cells and joints to the end of the fin
| Structure | distance to end of fin (μm) |
|---|---|
| joint 1 | 301 +/- 87 |
| joint 2 | 607 +/- 99 |
| joint 3 | 925 +/- 99 |
| Δ1,2 | 305 +/- 27 |
| Δ2,3 | 317 +/- 19 |
| physical separation | 422 +/- 76 |
Fins were stained for ZNS5 to detect cells surrounding joints or using calcein to detect bone matrix. Distances were measured in the V + 3 fin ray from a minimum of 10 fins (n = 12 for ZNS5-cell measurements; n = 17 for calcein measurements).
