Lateral thyrohyoid ligament

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Lateral thyrohyoid ligament

The lateral thyrohyoid ligament is a fibrous band of tissue that connects the thyroid cartilage to the hyoid bone. It is an important structure in the anatomy of the larynx and plays a role in the movement and stability of the laryngeal framework.

Anatomy[edit | edit source]

The lateral thyrohyoid ligament is one of the three thyrohyoid ligaments, the other two being the median thyrohyoid ligament and the thyrohyoid membrane. It extends from the superior horn of the thyroid cartilage to the greater horn of the hyoid bone. This ligament is paired, meaning there is one on each side of the larynx.

Function[edit | edit source]

The primary function of the lateral thyrohyoid ligament is to provide support and stability to the larynx. It helps maintain the position of the thyroid cartilage relative to the hyoid bone, which is crucial for proper phonation and swallowing. The ligament also allows for some degree of movement between these structures, facilitating the complex motions required for speech and other laryngeal functions.

Clinical Significance[edit | edit source]

Injuries or abnormalities in the lateral thyrohyoid ligament can affect laryngeal function and may lead to voice disorders or swallowing difficulties. Conditions such as laryngeal trauma, thyroid surgery, or neck injuries can impact this ligament. Understanding its anatomy and function is essential for healthcare professionals involved in the diagnosis and treatment of laryngeal conditions.

Related Structures[edit | edit source]

See Also[edit | edit source]


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Contributors: Prab R. Tumpati, MD