Vocal process

Posterior view of the cartilages of the larynx

Details
Identifiers
Latin| processus vocalis
Anatomical terminology

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In the human larynx, the vocal process is the anterior angle of the base of the arytenoid cartilage, as it projects horizontally forward and gives attachment to the vocal ligament.

The arytenoids are paired cartilages with a medial and a lateral process each. The medial process is called the vocal process because it is the attachment for the vocal ligament. The lateral process is the attachment of one of the major intrinsic muscles of the vocal folds and consequently named the muscular process.[1]

As the concave bases of the arytenoid cartilages move on the two convex articular surfaces on the cricoid cartilage (at the cricoarytenoid articulations), the vocal processes are brought closer to each other, which permits the vocal folds to make contact (adduct) and abduct.[2]

Just above the vocal process is a shallow depression, the oblong fovea of the arytenoid cartilage. Together they constitute the insertion for the vocalis muscle.[3]

Vocal process granulomas are rare and benign lesions that occur in 0.9–2.7% of adults with a voice disorder. Most occurrences and forms of vocal process granulomas regress spontaneously without any specific treatment, even large ones.[4]

## References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

1. ↑ Rosen, C. A.; Simpson, B., eds (2008). "Anatomy and Physiology of the Larynx". Operative Techniques in Laryngology. pp. 3–8. doi:10.1007/978-3-540-68107-6_1. ISBN 978-3-540-25806-3.
2. ↑ Seikel, J. Anthony; King, Douglas W.; Drumright, David G. (2010). Anatomy & Physiology for Speech, Language, and Hearing (4th ed.). Delmar, NY: Cengage Learning. ISBN 978-1-4283-1223-4.
3. ↑ Feneis, Heinz (2000). Dauber, Wolfgang. ed. Pocket Atlas of Human Anatomy: Based on the International Nomenclature. Thieme. ISBN 9783135112046. https://books.google.com/books?id=Iujs4R5vh4gC&pg=PA142. Retrieved October 27, 2013.
4. ↑ Wang, Cheng-Ping; Ko, Jenq-Yuh; Wang, Yung-Han; Hu, Ya-Ling; Hsiao, Tzu-Yu (2009). "Vocal process granuloma – A result of long-term observation in 53 patients". Oral Oncology 45 (9): 821–825. doi:10.1016/j.oraloncology.2009.01.008. PMID 19251470. http://www.ylh.ntuh.mc.ntu.edu.tw/ylh/epaper/ylh_epaper_no9/file/98033.pdf. Retrieved October 27, 2013.

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Anatomy of the larynx

Cartilage|

* major/unpaired: Epiglottis
* Vallecula
* Thyroid
* Adam's apple
* Cricoid

* minor/paired: Arytenoid
* Vocal process
* Muscular process
* Corniculate
* Cuneiform

Ligaments/folds|

* extrinsic ligaments: Hyoepiglottic ligament
* Thyrohyoid membrane
* Lateral ligament
* Median ligament
* Thyroepiglottic ligament
* Cricotracheal ligament

* intrinsic ligaments, upper: Quadrangular membrane
* Aryepiglottic
* Vestibular ligament/Vestibular fold

* intrinsic ligaments, lower: Cricothyroid ligament
* Median
* Lateral/Conus elasticus
* Vocal ligament/Vocal folds

Laryngeal cavity|

* Laryngeal inlet
* Vestibule
* Rima vestibuli
* Ventricle
* Rima glottidis/Glottis
* Infraglottic cavity

Laryngeal muscles|

* Cricothyroid
* Cricoarytenoid
* posterior
* lateral
* Arytenoid
* oblique arytenoid
* aryepiglottic
* transverse arytenoid
* Thyroarytenoid
* vocal
* thyroepiglottic

Other|

* Cricothyroid articulation
* Cricoarytenoid articulation

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