Newly revealed anatomy of the bucinator muscle: An anatomical and histological study.

Autor: Iwanaga J; Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA; Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA; Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA; Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA; Department of Oral and Maxillofacial Anatomy, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Dental and Oral Medical Center, Kurume University School of Medicine, 67 Asahi-machi, Kurume, Fukuoka, Japan; Division of Gross and Clinical Anatomy, Department of Anatomy, Kurume University School of Medicine, 67 Asahi-machi, Kurume, Fukuoka, Japan. Electronic address: iwanagajoeca@gmail.com., Fukino K; Department of Oral and Maxillofacial Anatomy, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan., Kitagawa N; Department of Oral and Maxillofacial Anatomy, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan., Carrera A; Medical Sciences Department, Clinical Anatomy, Embryology and Neuroscience Research Group (NEOMA), Faculty of Medicine, University of Girona, Girona, Spain., Reina F; Medical Sciences Department, Clinical Anatomy, Embryology and Neuroscience Research Group (NEOMA), Faculty of Medicine, University of Girona, Girona, Spain., Manzanares-Cespedes MC; Human Anatomy and Embryology Unit. Experimental Pathology and Therapeutics Department, Faculty of Medicine and Health Sciences, University of Barcelona, Spain., Hur MS; Department of Anatomy, Daegu Catholic University School of Medicine, Daegu, South Korea., Reina MA; CEU-San Pablo University School of Medicine, Department of Anesthesiology, Madrid-Montepríncipe University Hospital, Madrid, Spain; Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, USA., Tubbs RS; Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA; Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA; Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA; Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA; Department of Anatomical Sciences, St. George's University, St. George's, Grenada; Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA; University of Queensland, Brisbane, Australia.
Jazyk: angličtina
Zdroj: Annals of anatomy = Anatomischer Anzeiger : official organ of the Anatomische Gesellschaft [Ann Anat] 2024 Aug; Vol. 255, pp. 152297. Date of Electronic Publication: 2024 Jun 25.
DOI: 10.1016/j.aanat.2024.152297
Abstrakt: Background: Current anatomical knowledge of the origin of the bucinator muscle (BM), i.e., long thin attachments on the maxilla and mandible and the pterygomandibular raphe (PMR), is not supported by anatomical dissection of this muscle. The aim of this study was therefore to investigate the detailed morphology of the BM and associated structures and to discuss its function.
Methods: The anatomy of the BM and related structures was investigated in 15 cadaveric heads using a surgical microscope and histological analysis.
Results: The inferior fibers of the BM originated from a small retromolar area (internal oblique line), which shared a common tendon with the deep tendon of the temporalis. The superior fibers of the BM originated from the maxillary tuberosity. The middle fibers originated the pterygoid hamulus. No PMR was identified in any of the specimens, but the border between the BM and superior pharyngeal constrictor muscle (SC) was clear because the muscle fibers followed different directions. Some horizontal fibers were continuous between the BM and SC.
Conclusions: Our results suggest the need to revise established accounts of the origins of the bucinator (the maxillary tuberosity, conjoint tendon of the temporalis, and pterygoid hamulus without a pterygomandibular raphe. It also needs to be noted that some of its fibers merge directly with the SC.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier GmbH. All rights reserved.)
Databáze: MEDLINE
Externí odkaz: