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- 저자 : Enzyme histochemistry (검색결과 1 건)
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한국인 성인남성 사체에서 시행한 인중 구륜근 섬유들의 효소-조직화학적 분석
Orbicularis oris muscle,Enzyme histochemistry,Fresh cadaver,Muscle fiber type,Lip reconstruction 대한구순구개열학회 2009 대한구순구개열학회지 Vol.12 No.2
The orbicularis oris muscle (OOM) is a very important muscle that originate from the second branchial arch and is innervated by the facial nerve. The aim of this study was to elucidate distribution types of two muscle fibers that composing OOM by using enzyme‐ histochemical examinations and tried to make a basis for a clinical application. The fresh frozen tissues from the superior and inferior portions of the OOM were taken from post mortem 65‐year‐old Korean male adult. Total five different sagittal sections were used on the midline of the philtrum, the middle portion of lower lip, the mouth corner, and each midlateral side of upper and lower mouth. We used enzyme‐histochemical staining such as Periodic Acid‐Schiff (PAS), Succinic Dehydrogenase (SDHase), reduced Nicotinamide Adenine Dinucleotide‐Tetrazolium Reductase (NADH‐TR), Adenosine Triphosphatase (ATPase) in pH 9.4, 4.6 and 4.3, and Modified Gomori Trichrome. There were about 30.24 % type 1 muscle fiber and 65.40 % type 2 muscle fiber in the midline of the philtrum (p < 0.05). Enzyme‐histochemical staining is very useful and innovative method to elucidate characteristics of muscle fibers. We expect that chiloplasty and reconstruction of the lip portions for cleft lip patients, based on these results, are better to recovery function and aesthetic. However, we have some problems as an intramuscular variability and the inter‐individual variation etc. Therefore we have to make progress these studies continuously to overcome these problems.
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