Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Fig 3

Research Article

Spinal Serotonergic and Opioid Receptors Are Involved in Electroacupuncture-Induced Antinociception at Different Frequencies on ZuSanLi (ST 36) Acupoint

Figure 3

Antinociceptive effects of electroacupuncture (EAc) in different frequencies on the 1st, 3rd and 7th days after intrathecal cannulation by tail-flick test. : initiation point of EAc except sham group. ○: sham group. ▲: 2 Hz, 1 mA. : 10 Hz, 1 mA. ■: 100 Hz, 1 mA. (a) Determined on 1st day; (b) determined on 3rd day; (c) determined on 7th day (described as text). Data are shown as mean ± S.E. compared with sham group ( ).
291972.fig.003a
(a)
291972.fig.003b
(b)
291972.fig.003c
(c)

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