Table 1.
Tissue conductance (Gt) under baseline conditions and maximal value observed in the presence of propionylcholine (500 μM at the serosal side) or butyrylcholine (500 μM at the serosal side) in mucosal–submucosal (left) or mucosal preparations (right) of rat distal colon
| G t (mS·cm−2) | |||
|---|---|---|---|
| Baseline | Ester | n | |
| Propionylcholine | |||
| Mucosa–submucosa | 9.3 ± 0.76 | 11.0 ± 1.0 | 8 |
| Mucosa | 13.7 ± 1.6a | 16.6 ± 2.0 | 6 |
| Butyrylcholine | |||
| Mucosa–submucosa | 11.8 ± 1.1 | 12.9 ± 1.2 | 6 |
| Mucosa | 16.4 ± 1.4a | 17.8 ± 1.3 | 6 |
Values are means ± SEM.
a
P < 0.05 versus baseline G t in mucosal–submucosal preparations.