Figure 2  .

Stimulus response functions (SRFs) for visceromotor (A) and pressor (B) responses to colorectal distension (CRD) before (vehicle) and after cumulative doses of intrathecal administration of octreotide (5-15 µg) in saline and acetic acid treated rats. The broken line represents the control response to 80 mm Hg distension as 100%. All data are expressed as percentage of control response (mean (SEM)). The basis for n is the number of rats used in constructing each SRF. Intrathecal octreotide dose dependently attenuated the visceromotor (A) and pressor (B) responses to CRD in saline treated rats.