Zuckerkandl tubercle
Pronunciation: TSOOK-er-kandl TOO-ber-kul
Lateral extension of thyroid tissue that projects posteriorly toward the tracheoesophageal groove.
Full Definition
The Zuckerkandl tubercle is a normal anatomical variant consisting of a posterior projection of the lateral thyroid lobe. Named after Austrian anatomist Emil Zuckerkandl, this structure extends into the tracheoesophageal groove and is present in approximately 80% of individuals. During thyroid surgery, the tubercle serves as an important landmark for identifying the recurrent laryngeal nerve, as the nerve typically passes medial to this structure. The tubercle can vary in size and may be more prominent in cases of goiter or thyroid enlargement.
Usage
Usage note: Capitalize 'Zuckerkandl' as an eponym. Avoid possessive form in formal writing.
In Context
- "The prominent Zuckerkandl tubercle served as a reliable landmark for nerve identification." — operative report
- "Careful mobilization of the Zuckerkandl tubercle revealed the recurrent laryngeal nerve coursing medially." — surgical technique description