Arytenoid (Muscle) - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The arytenoid is an intrinsic muscle of the larynx. It has both oblique and transversly orientated fibres. Attachments: Spans from one arytenoid cartilage to the opposite arytenoid. Actions: Adduction of the arytenoid cartilages, narrowing the laryngeal inlet Innervation: Inferior laryngeal nerve (branch of recurrent laryngeal) Blood supply: branches of the superior and inferior thyroid arteries (laryngeal branches) By TeachMeSeries Ltd (2025) Fig 1Posterior view of the intrinsic muscles of the larynx. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Rate This Article