en:thyroid_cartilage [Chapters]

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====== THYROID CARTILAGE  ======


  * Thyroid cartilage 
      * Y shaped in section 
    * Parts 
      * Position 
        * Oblique relative to midline 
      *  Right and left lamina 
        * Quadrilateral 
        * Each lamina 
          * Anterior border 
             * Lower parts 
                * Fuse to form laryngeal prominence 
                  * Adams apple 
             * Upper parts. 
                * Do not meet 
                * Thyroid notch 
          * Posterior border 
             * Free 
             * Prolonged upward and downward 
             * Cornua or horns 
              * Superior cornua
                * Connected to greater cornua of hyoid bone 
                  * By thyrohyoid ligament 
              * Inferior cornua 
                * Articulates with cricoid cartilage 
                   * Cricothyroid joint 
          * Inferior border 
              * In median plane connected to cricoid cartilage 
                * Conus elasticus 
          * Surfaces 
              * Outer surface 
                * Oblique line 
                   * Thyrohyoid , sternothyroid , thyrophsryngeus 
      * Attachments 
        * Inferior cornua and lower border 
          * Triangular cricothyroid 
        * Posterior border 
          * Connecting superior and inferior cornua 
          *  Palatopharyngeus 
          * Salpingopharyngeus 
          *  Stylopharyngeus 
      * Inner aspect 
        * Thyroepiglottic 
          * Ligament ( median ) 
          * Muscle on each side 
        * Vestibular fold on each side 
        * Vocal fold on each side 
        * Thyroarytenoid 
        * Vocalis muscle on each side