Cricothyroid ligament
Cricothyroid Ligament
The Cricothyroid Ligament (pronunciation: /kriːkoʊˈθaɪrɔɪd ˈlɪɡəmənt/) is a significant anatomical structure in the human neck. It is a part of the larynx and plays a crucial role in phonation and breathing.
Etymology
The term "Cricothyroid" is derived from the Greek words "krikos" meaning "ring" and "thyreos" meaning "shield", referring to the cricoid cartilage and thyroid cartilage respectively, which are connected by this ligament.
Anatomy
The Cricothyroid Ligament is a broad, thin, and somewhat triangular in shape. It extends from the front part of the cricoid cartilage to the lower margin of the thyroid cartilage. It is covered by the cricothyroid muscle, which when contracted, tightens the ligament and elongates and tenses the vocal cords, thus modulating the pitch of the voice.
Related Terms
- Cricoid Cartilage: A ring-shaped structure that forms the lower part of the larynx.
- Thyroid Cartilage: The largest cartilage of the larynx, it forms the "Adam's apple".
- Cricothyroid Muscle: A muscle that controls the tension of the vocal cords by tilting the thyroid cartilage.
- Vocal Cords: Two bands of smooth muscle tissue found in the larynx that vibrate to produce the voice.
See Also
External links
- Medical encyclopedia article on Cricothyroid ligament
- Wikipedia's article - Cricothyroid ligament
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