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New anatomic considerations on the levator labii superioris related with the nasal ala

Authors
 Mi-Sun Hur  ;  Kwan-Hyun Youn  ;  Kyung-Seok Hu  ;  Wu-Chul Song  ;  Ki-Seok Koh  ;  Christian Fontaine  ;  Hee-Jin Kim 
Citation
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.21(1) : 258-260, 2010 
Journal Title
 JOURNAL OF CRANIOFACIAL SURGERY 
ISSN
 1049-2275 
Issue Date
2010
MeSH
Aged ; Aged, 80 and over ; Cadaver ; Facial Muscles/anatomy & histology* ; Female ; France ; Humans ; Korea ; Lip* ; Male ; Middle Aged ; Nose/anatomy & histology*
Keywords
Alar facial crease ; levator labii superioris ; nasal ala ; nasalis
Abstract
The levator labii superioris (LLS) muscle is well known as one of the upper-lip elevators; however, there have been few reports about the anatomic description of the LLS. Especially, the shape of the LLS and its relationship with the nasal ala were not clearly shown in the literature. The aim of this study was to clarify and describe the morphology and topography of the LLS and the anatomic variations to understand the function of the LLS related with the nasal ala. The LLS was examined in 102 specimens of embalmed Korean and French adult cadavers. The LLS was classified into 3 categories according to its shape and attachment: rectangular (83%), fan (10%), or trapezoid (7%) type. The medial fibers of the LLS were attached to the deep surface of the alar facial crease and were mainly intermingled with the alar part of the nasalis. Some of the deeper muscle fibers of the LLS extended to the vestibular skin of the nasal lobule. These new anatomic findings in the current study could be useful information for understanding the function of the LLS and the various surgical procedures of the perinasal region.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00001665-201001000-00059&LSLINK=80&D=ovft
DOI
10.1097/SCS.0b013e3181c5a3be
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Song, Wu Chul(송우철)
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
Hur, Mi Sun(허미선)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/100506
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