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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 17 (1995), S. 307-310 
    ISSN: 1279-8517
    Keywords: Cricoarytenoid ligament ; Vocal cord ; Voice disturbance ; Larynx ; Plastination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le ligament crico-arythénoïdien a été étudié à partir de coupes plastinées de dix larynx humains adultes. Les fibres de collagène qui constituent le ligament s'insèrent sur une petite zone du bord supérieur de l'arc du cartilage thyroïde et sur le périchondre cricoïdien dorsal adjacent. Les fibres renforcent la partie dorsale et médiane de la capsule de l'articulation crico-arythénoïdienne. Elles sont disposées en plusieurs couches séparées par du tissue adipeux. La couche la plus médiale des fibres de collagène est insérée sur le versant médial du processus vocal, alors que la corde vocale, elle-même, est amarrée plus latéralement. Contrairement aux descriptions de la littérature, aucune fibre du ligament crico-arythénoïdien ne rejoint le pli vocal [corde vocale]. Tout particulièrement, la partie médiale du ligament est importante pour le contrôle des mouvements d'abduction et d'adduction cordage. Une dysphonie peut résulter d'une asymétrie de structure du ligament crico-arythénïdien.
    Notes: Summary The cricoarytenoid ligament was studied in sections of ten plastinated adult human larynges. The collagenous fibres forming the ligament originate from a small area at the upper rim of the cricoid lamina and from the adjacent dorsal cricoid perichondrium. The fibres strengthen the dorsal and medial part of the capsule of the cricoarytenoid joint. They are arranged in several layers separated by adipose tissue. The most medial layer of the collagenous fibres is attached to the medial aspect of the vocal process, whereas the vocal cord is anchored more laterally. Contrary to the descriptions in the literature, no fibres of the cricoarytenoid ligament join the vocal cord. Especially, the medial part of the ligament is important for controlling abduction and adduction of the vocal cords. Voice disturbance may result from structural asymmetry of the cricoarytenoid ligament.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European archives of oto-rhino-laryngology and head & neck 255 (1998), S. 140-142 
    ISSN: 1434-4726
    Keywords: Key words Laryngeal anatomy ; Arytenoid cartilage ; Cancer extensions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The normal topographic relationships of the anterolateral surface of the arytenoid cartilage (ALSAC) were reinvestigated with special regard to possible implications involving the extensions of local cancer. Serial plastinated whole-organ sections of 34 normal adult larynges were examined. A cartilaginous crest subdivided the ALSAC into a cranial triangular fossa and a caudal oblong fossa and provided attachment to the lateral fibers of the vocal cord. The thyroarytenoid muscle was mainly anchored within the oblong fossa, but a few lateral muscle fibers extended further cranial ward along the ALSAC. The triangular fossa was the area of fixation of the vestibular ligament and was filled with adipose tissue as well as mucous glands grouped together by strong collagenous fiber septa. These septa revealed a craniocaudal orientation medially and a horizontal anteroposterior orientation laterally. These findings suggest that the septa guide early local cancer extension parallel to their own arrangement, acting as barriers that cannot be easily crossed. Correspondingly, cranial and horizontal-lateral cancer spread along the ALSAC has been reported in the clinical literature.
    Type of Medium: Electronic Resource
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