Comparison of the initial decay of [Ca2+]i in phasic and tonic terminals matched for peak Δ[Ca2+]i
| Phasic | Tonic | Phasic/tonic ratio | ||
|---|---|---|---|---|
| Peak Δ[Ca2+] | τinitial(msec) | Peak Δ[Ca2+] | τinitial (msec) | |
| 124 | 11.39 ± 4.3 (6) | 120 | 4.11 ± 0.6 (9) | 2.77 |
| 274 | 4.31 ± 0.75 (5) | 274 | 2.34 ± 0.62 (8) | 1.84 |
| 379 | 4.26 ± 0.62 (12) | 358 | 2.30 ± 0.18 (4) | 1.85 |
| 1200 | 2.08 ± 0.28 (7) | 963 | 0.80 ± 0.07 (3) | 2.60 |
| Mean: 2.2 | ||||