The Possible Neuronal Mechanism of Acupuncture: Morphological Evidence of the Neuronal Connection between Groin A-Shi Point and Uterus

Figure 1

Fos expression neurons in the spinal cord after bee venom injection in the left groin region (𝑛=9). (a) Neurons express Fos protein (arrow) in ipsilateral L2 spinal dorsal horn. (b) Higher magnification of Fos expression neurons in (a) (scale bar: 100 um). (c) Mean number of Fos expression neurons in T10 to S3 spinal segments (±SEM). ^∗𝑃<0.05. (d) Mean number of Fos expression neurons in laminas I to V of L2 spinal segment.

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