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Innervation of the corrugator supercilii muscle

Authors
 Kun Hwang  ;  Yu Jin Kim  ;  In Hyuk Chung 
Citation
 ANNALS OF PLASTIC SURGERY, Vol.52(2) : 140-143, 2004 
Journal Title
 ANNALS OF PLASTIC SURGERY 
ISSN
 0148-7043 
Issue Date
2004
MeSH
Forehead/innervation* ; Humans ; Muscle, Skeletal/innervation*
Abstract
The frowning forehead is unwanted, generally because it gives an impression of anger and displeasure. The frown is formed mainly by the repeated contraction of the corrugator supercilii muscle. We studied the relevant nerve supply to the muscle in detail to enhance selective neurotomy. A bicoronal incision extending downward to the preauricle was made and the subgaleal dissection proceeded in 19 hemifaces of cadavers. The temporal branch of the facial nerve was divided into 2 to 4 smaller branches at the zygomatic arch. There were commonly 3 branches. The temporal branch is located 10 mm lateral to the supraorbital notch or foramen 2.8 to 25 mm above the supraorbital rim. It contains 4 to 7 thin rami (5 on average). A plexus mainly from the inferior ramus partly from the middle ramus of the temporal branch of the facial nerve enters the corrugator supercilii muscle in the supraorbital area. Because the temporal branch had multiple interconnection among its own rami, selective blocking of the middle ramus cannot promise the elimination of the frown line.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00000637-200402000-00006&LSLINK=80&D=ovft
DOI
10.1097/01.sap.0000095440.20407.0b
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Chung, In Hyuk(정인혁)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/111400
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