Korean Journal of Acupuncture

Society for Meridian and Acupoint (경락경혈학회)
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Neuroanatomical Comparative Studies on the Motor and Sensory Neurons Associated with Cheonji(PC1) in the Rats

흰쥐에서 천지(PC1)와 관련된 운동신경과 감각신경의 분포영역에 대한 신경해부학적 연구

  • Lee, Sun-Ho (Department of Meridian, College of Korean Medicine, Woosuk University) ;
  • Lee, Chang-Hyun (Department of Acupoint & Anatomy, College of Korean Medicine, Woosuk University) ;
  • Lee, Sang-Ryong (Department of Meridian, College of Korean Medicine, Woosuk University)
  • 이순호 (우석대학교 한의과대학 경혈학교실) ;
  • 이창현 (우석대학교 한의과대학 해부학교실) ;
  • 이상룡 (우석대학교 한의과대학 경혈학교실)
  • Received : 2015.08.31
  • Accepted : 2015.09.15
  • Published : 2015.09.27
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Abstract

This study was performed to comparative investigate the distribution of primary sensory and motor neurons associated with Cheonji(PC1) acupoint by using neural tracing technique. A total 4 SD rats were used in the present study. After anesthesia, the rats received microinjection of $6{\mu}l$ of cholera toxin B subunit(CTB) into the corresponding sites of the acupoints Cheonji(PC1) in the human body for observing the distribution of the related primary sensory neurons in dorsal root ganglia(DRGs) and motor neurons in the spinal cord(C3~T4) and sympathetic ganglia. Three days after the microinjection, the rats were anesthetized and transcardially perfused saline and 4% paraformaldehyde, followed by routine section of the DRGs, sympathetic chain ganglia(SCGs) and spinal cord. Labeled neurons and nerve fibers were detected by immunohistochemical method and observed by light microscope equipped with a digital camera. The labeled neurons were recorded and counted. From this research, the distribution of primary sensory and motor neurons associated with Cheonji(PC1) acupoints were concluded as follows. Muscle meridian related Cheonji(PC1) are controlled by spinal segments of C5~T1, C6~T4, respectively.

Keywords

References

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