Publicação: A Different Pattern of Arrangement of the Risorius Muscle Fibers: A Case Report
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Cureus Inc
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Artigo
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Resumo
The risorius is a very thin muscle and is one of the superficial muscles of facial expression, which is reported as being inconstant, as it is absent in most people, and is a unique muscle; once it has no bony origin. The study aimed to report a different pattern of arrangement of the risorius muscle fibers. During a routine Anatomy class, a different pattern of arrangement of the risorius muscles fibers was found from the observation of an adult (around 40 years old) male cadaver hemiface (right side). After dissections, it was possible to note that the arrangement of the risorius muscle fibers on the surface of the masseteric fascia was formed in different arrangements formed in two bands. In conclusion, the risorius muscle fibers are not always easily distinguishable, and detailed knowledge of their different morphological arrangement is essential when planning and performing facial procedures.
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face, morphology, macroscopic human anatomy, risorius muscle, facial expression muscles
Idioma
Inglês
Como citar
Cureus Journal Of Medical Science. Palo Alto: Cureus Inc, v. 14, n. 3, 4 p., 2022.
