Objective To investigate the specificity of meridians by the influence of acupuncture of the Foot-Yangming Meridian on IP3 ( inositol triphosphate) content in the smooth muscle cells of the gastric antrum. Methods Forty-five rabbits were randomly allocated to normal saline, atropine, acupuncture-Foot-Yangming Meridian, acupuncture-Foot-Shaoyang Meridian and acupuncture-FootTaiyang Meridian groups. After the different groups of rabbits were treated, the smooth muscle cells of the gastric antrum were immediately separated to make single living ...