Neuronal Activity Stimulated by Liquid Substrates Injection at Zusanli (ST36) Acupoint: The Possible Mechanism of Aquapuncture

Figure 2

Distribution of Fos expression in laminae I~V of 3rd, 4th, and 5th lumbar spinal cord after the ST36 acupoint stimulation. (A, a) Bee venom group; (B, b) normal saline group; (C, c) vitamin B1 group; (D, d) vitamin B12 group; (E, e) dry needle insertion group; (F, f) sham control group; (scale bar: 100 um).