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dc.contributor.authorBroughton, Michelle
dc.contributor.authorFyfe, Georgina
dc.identifier.citationBroughton, M. and Fyfe, G.M. 2013. The superficial musculoaponeurotic system of the face: A model explored. Anatomy Research International. 2013 (794682): pp. 1-5.

Regional differences in the integument of the body are explained, at least in part, by differences in fascial arrangements. In the face, where the skin is more mobile due to the action of the underlying facial muscles, fascial organisation is important for support and separation of muscle groups. This study used bequeathed cadaver material to investigate a current model of the SMAS proposed by Macchi et al., the original boundaries of which were explored and extended using both histology and gross dissection. As a clearly identifiable structure spanning the lateral and midface, the SMAS in the specimen supported the model proposed by Macchi et al. The three main findings that support the model were the layered morphological appearance of the SMAS, its progression from fibrous to aponeurotic in a lateral to medial direction, and the enveloping of the zygomaticus musculature. Extension beyond the proposed model into the temporal region was observed, but nasal and forehead regions showed no evidence of SMAS, while its presence in the cervical platysma region remained inconclusive. Fascial and soft tissue variability was considerable within facial regions of the examined specimen, helping to explain the debate around the SMAS in the literature.

dc.publisherHindawi Publishing Corporation
dc.titleThe superficial musculoaponeurotic system of the face: A model explored
dc.typeJournal Article
dcterms.source.titleAnatomy Research International

This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License Please refer to the licence to obtain terms for any further reuse or distribution of this work.

curtin.accessStatusOpen access

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