Espiral AtlasPosterior crico-arytenoid muscle
musculus cricoarytenoideus posterior
Abducts the vocal fold and widens the glottic cleft: it is the only abductor, and pulls the muscular processes backward, rotating the vocal processes laterally.
In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
- Blood supply
Related clinical cases
- Injury of the recurrent laryngeal nerve