thyroid cartilage
The largest cartilage of the larynx, forming the prominence known as the Adam's apple. Important anatomical landmark in thyroid surgery.
Full Definition
The thyroid cartilage is the largest cartilage structure of the larynx, consisting of two laminae that meet anteriorly to form the laryngeal prominence (Adam's apple). In endocrine surgery, the thyroid cartilage serves as a crucial anatomical landmark for identifying the location of the recurrent laryngeal nerve and for determining the extent of thyroid gland mobilization. The inferior border of the thyroid cartilage approximates the level of the cricoid cartilage, which is where the recurrent laryngeal nerve enters the larynx. Understanding this relationship is essential for safe thyroid surgery.
Usage
Usage note: Distinguish from thyroid gland in anatomical descriptions.
In Context
- "The dissection was carried laterally to the thyroid cartilage to ensure complete thyroid gland mobilization." — Operative report
- "Palpation of the thyroid cartilage helped identify the appropriate level for the skin incision." — Operative note