The Characteristics of Action Potentials in Primo Vessels and the Effects of Acetylcholine Injection to the Action Potentials

<table>Stereomicroscopic image of Primo-vessel used in this study. This sample was taken from large intestine in SD rat. This sample had thread-like structure and milky-white color as the other studies reported.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 1

Figure 1: The Characteristics of Action Potentials in Primo Vessels and the Effects of Acetylcholine Injection to the Action Potentials 