Cricothyroid
Cricothyroid
Cricothyroid (pronunciation: /kriːkoʊˈθaɪrɔɪd/) is a term used in the field of anatomy and medicine to refer to a specific muscle in the larynx, or voice box.
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 the two structures connected by this muscle.
Function
The cricothyroid muscle plays a crucial role in vocalization by controlling the tension and length of the vocal cords. It does this by tilting the thyroid cartilage forward, which in turn stretches and tightens the vocal cords.
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 plays a crucial role in speech production.
- Vocal cords: Also known as vocal folds, they are involved in creating sounds through vocalization.
- Larynx: Commonly known as the voice box, it is involved in breathing, producing sound, and protecting the trachea against food aspiration.
External links
- Medical encyclopedia article on Cricothyroid
- Wikipedia's article - Cricothyroid
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