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arytenoid
(redirected from arytenoid cartilage)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
arytenoid [‚ar·ə′tē‚nȯid]
(anatomy)
Relating to either of the paired, pyramid-shaped, pivoting cartilages on the dorsal aspect of the larynx, in humans and most other mammals, to which the vocal cords and arytenoid muscles are attached.


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1,2) Their presence there may lead to an expansion of the circumference of the laryngeal inlet, lateral displacement of the arytenoid cartilages, and consequent glottic insufficiency.
6,9,12,13) A typical finding is symmetric high uptake at the muscle origin and insertion of the arytenoid cartilage, posterior cricoarytenoid muscles, and some less intense uptake along the course of thyroarytenoid and vocalis muscle (11) (Figure 1).
Such failure can occur secondary to poor technique, to variations in supraglottic and tracheal anatomy, and to a circumstance in which the tip of the endotracheal tube becomes hung up on the epiglottis, the right arytenoid cartilage, or other soft-tissue structures of the larynx.
 
 
 
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