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New methods of dissecting the masticator space of the rhesus macaque (Macaca mulatta)

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Abstract

The aim of our project was to develop a method to examine the deep masticator space of the rhesus macaque (Macaca mulatta) in order to investigate the following particulars of the mandibular nerve: (1) its manner of entry into the masticator space, (2) its branching within spaces/canals in the spheno-temporal bony complex, and (3) the location of its principal divisions with reference to the lateral pterygoid plate and muscle heads. In order to access these structures it was necessary to develop novel lateral and medial approaches. These and the instruments used are described. The proximal branching of the mandibular nerve is described and contrasted with that of the human. The implications of nerve branching in humans with reference to (1) evolution, (2) electromyography and (3) anesthetic control are discussed.

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Acknowledgements

We are grateful to Ms. Gillian P. Laurence for technical assistance during our work. We also thank Mr. Brian Rutherford of the Louis B. Stokes Health Sciences Library for facilitating the loan of several important references. We extend our special gratitude to Mr. Arnold Miller for expert photography. The macaque specimens used in this project were obtained from the Yerkes Regional Primate Research Center, Atlanta, GA. We thank Harold M. McLure, D.V.M. and Ms. Rickie Bass of the Center for their kind assistance.

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Authors and Affiliations

  1. Department of Fixed Prosthodontics and Restorative Dentistry, Howard University College of Dentistry, 600 W Street, N.W., Washington, DC, 20059, USA

    Cecile E. Skinner

  2. Department of Anatomy, Howard University College of Medicine, Washington, DC, 20059, USA

    Mohammed A. Aziz

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  1. Cecile E. Skinner
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  2. Mohammed A. Aziz
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Correspondence to Cecile E. Skinner.

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Skinner, C.E., Aziz, M.A. New methods of dissecting the masticator space of the rhesus macaque (Macaca mulatta). Primates 44, 311–320 (2003). https://doi.org/10.1007/s10329-003-0045-9

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  • DOI: https://doi.org/10.1007/s10329-003-0045-9

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