The Regional Anatomy of the Corrugator Supercilii Muscle and Facial Nerve
한국사람의 눈썹주름근과 얼굴신경의 국소해부
김, 종명; 박, 명철; 정, 재호; 박, 동하; 정, 민석
Journal of the Korean Society of Plastic and Reconstructive Surgeons, 30(5):614-620, 2003
Journal of the Korean Society of Plastic and Reconstructive Surgeons; 대한성형외과학회지
Glabellar frown lines develop as a result of contraction of the corrugator supercilii muscles. These lines make look angry or aging. The neurotomy of facial nerve supplying corrugator supercilii muscle will prevent complications of the surgical technique and the reversibility of the nonsurgical technique. The regional anatomy of corrugator supercilii muscle is necessary for developing new technique. However, there is little information regarding the motor innervation of this muscle. The purpose of this study is to identify the regional anatomy of corrugator supercilii muscle and facial nerve and help to develop new technique of the neurotomy. We have dissected 6 Korean adult cadavers (12 sides). The motor innervation of this muscle was the temporal branch of facial nerve. The entry point of facial nerve into this muscle was found to be the inferolateral part. It was directly beneath the hair of lateral side of mid one-third of the eyebrow. The average distance between median plane and the entry point was 35.8 mm. The measurement was not significantly different between right and left side. This study will be helpful for developing new technique of the neurotomy of motor nerve that supplies to corrugator supercilii muscle.
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