Hyoid bone and framework of larynx

Superior view

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Image #84-1

Hyoid bone and framework of larynx Superior view The periosteum has been removed from the hyoid bone and the perichondrium scraped from the laryngeal cartilages. The elastic cone and vocal ligaments have been preserved and the articular capsules retained. 1 . Body hyoid bone 2 . Epiglottal cartilage 3 . Lesser horn hyoid bone 4 . Left lamina thyroid cartilage 5 . Greater horn hyoid bone 6 . Superior horn thyroid cartilage 7 . Corniculate cartilage 8 . Base of arytenoid cartilage 9 . Upper pointer: Interarytenoid incisure Lower pointer: Posterior cricoarytenoid ligament 10 . Lamina of cricoid cartilage 11 . Trachea 12 . Thyroepiglottic ligament 13 . Vocal ligament 14 . Rim of glottis 15 . Conus elasticus 16 . Arch of cricoid cartilage 17 . Upper pointer: Apex of arytenoid cartilage Lower pointer: Muscular process of arytenoid cartilage 18 . Lateral thyrohyoid ligament 19 . Cricothyroid joint capsule 20 . Inferior horn thyroid cartilage 21 . Cricothyroid joint capsule