Table 5.

Quantification of tonic phase activated by 5 μM CCh

Tissue	Area Under the Curve†	10-min Force†
Ileum
SMB(+/+)	4.15 ± 0.47	0.58 ± 0.06
SMB(−/−)	5.84 ± 0.18	0.57 ± 0.04
P value	0.007*	0.91
Antrum
SMB(+/+)	3.72 ± 1.12	0.21 ± 0.09
SMB(−/−)	2.29 ± 0.31	0.072 ± 0.01
P value	0.179	0.092
Fundus
SMB(+/+)	5.49 ± 0.27	0.52 ± 0.03
SMB(−/−)	6.21 ± 0.36	0.53 ± 0.04
P value	0.160	0.844

Values are means ± SE; n = 6 for all groups.

^*Significant at P < 0.05.

^†Area under the curve was measured from peak force to 10 min after peak force. 10-min force is the 10 min tonic force normalized to peak force.