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  • Masticatory muscles  (2)
  • Motion MRI  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 185-189 
    ISSN: 1279-8517
    Keywords: Lateral pterygoid muscle ; Masticatory muscles ; Innervation ; Human ; Anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The one- or two-headed arrangement of the lateral pterygoid m. (LPM) was analysed by studying the motor nerve distribution within the muscular tissue. In all subjects, the main innervation of the lateral pterygoid m. came from the anterior trunk of the mandibular n. by one to three nerves. These nerves divided into five or six vertical branches which ramified into parallel horizontal tiny fibers. Consequently, the lateral pterygoid m. appeared to be divided into oblique sagittal planes and horizontal layers by the nerve branches, reflecting the multipennate organisation of the muscle. These layers can be selectively recruited during mandibular movements, ensuing a fine medial-lateral control. According to its nerve supply, the LPM has to be considered as a single unit made of independent functional musulo-aponeurotic layers even though its morphologic conformation is in one, two or three heads.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    ISSN: 1279-8517
    Keywords: Motion MRI ; Pharyngeal system ; Adult swallowing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'apparition des séquences IRM “turbo-FLASH” permet la réalisation de coupes rapides des tissus mous en mouvement. Il est ainsi possible de suivre chronologiquement la progression d'un liquide entre la langue, le palais mou, l'épiglotte et le pharynx lors d'une déglutition et d'observer le jeu des structures anatomiques. Cette technique, volontairement limitée au plan sagittal dans le cadre de cette étude préliminaire, peut être étendue aux autres plans et fournir ainsi une représentation tridimensionnelle des fonctions ou dysfonctions oro-pharyngées.
    Notes: Summary The emergence of turbo-FLASH MR sequences allows us to acquire five 10-mm sections each second and thus to catch images of the soft tissues during function. One can trace the pathway of a liquid between the tongue, the soft palate, the epiglottis and the pharyngeal apparatus and analysis the role of the anatomic structures during swallowing. Restricted to the sagittal plane for the purpose of this preliminary study, this technique can be extended to the other planes to provide a three-dimensional analysis of oropharyngeal function or dysfunction.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 185-189 
    ISSN: 1279-8517
    Keywords: Lateral pterygoid muscle ; Masticatory muscles ; Innervation ; Human ; Anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'organisation du muscle ptérygoïdien latéral (LPM) en un ou deux chefs a été analysée à travers l'étude de son innervation. Tous les muscles étudiés présentaient une innervation provenant directement du tronc terminal antérieur du nerf mandibulaire. Cette innervation était issue de 1 à 3 nerfs ptérygoïdiens qui se divisaient rapidement en 2 à 8 branches principales. A l'intérieur du muscle, les nerfs s'organisaient en plans verticaux, parallèles entre eux, de dehors en dedans. Ils émettaient des rameaux terminaux horizontaux parallèles aux fibres musculaires. Ce muscle apparaissait donc divisé par des plans nerveux sagittaux obliques et horizontaux, ces derniers reflétant son organisation penniforme. Les couches musculaires pourraient être sélectivement recrutées lors des mouvements mandibulaires. L'organisation nerveuse intra-musculaire montre que le muscle ptérygoïdien latéral doit être considéré comme un muscle constitué d'une seule entité anatomique formée par une alternance de couches musculo-aponévrotiques fonctionnellement indépendantes.
    Notes: Summary The one- or two-headed arrangement of the lateral pterygoid m. (LPM) was analysed by studying the motor nerve distribution within the muscular tissue. In all subjects, the main innervation of the lateral pterygoid m. came from the anterior trunk of the mandibular n. by one to three nerves. These nerves divided into five or six vertical branches which ramified into parallel horizontal tiny fibers. Consequently, the lateral pterygoid m. appeared to be divided into oblique sagittal planes and horizontal layers by the nerve branches, reflecting the multipennate organisation of the muscle. These layers can be selectively recruited during mandibular movements, ensuing a fine medial-lateral control. According to its nerve supply, the LPM has to be considered as a single unit made of independent functional musulo-aponeurotic layers even though its morphologic conformation is in one, two or three heads.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    ISSN: 1279-8517
    Keywords: Motion MRI ; Pharyngeal system ; Adult swallowing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The emergence of turbo-FLASH MR sequences allows us to acquire five 10-mm sections each second and thus to catch images of the soft tissues during function. One can trace the pathway of a liquid between the tongue, the soft palate, the epiglottis and the pharyngeal apparatus and analysis the role of the anatomic structures during swallowing. Restricted to the sagittal plane for the purpose of this preliminary study, this technique can be extended to the other planes to provide a three-dimensional analysis of oropharyngeal function or dysfunction.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
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