Related Experiment Videos
[Galen's anastomosis, an anatomic study in man].
Revue De Laryngologie - Otologie - Rhinologie
|January 1, 1989
Summary
Galen's anastomosis, a connection between the superior and recurrent laryngeal nerves, is often considered variable. This study found this nerve pathway consistently exists in human larynges.
Area of Science:
- Anatomy
- Neuroscience
- Laryngology
Context:
- The existence and prevalence of Galen's anastomosis, a nerve connection between the superior and recurrent laryngeal nerves, are not well-established.
- Classical anatomy texts suggest its presence in 30-60% of human cases, implying variability.
Purpose:
- To investigate the anatomical presence and characteristics of Galen's anastomosis.
- To clarify the variability or consistency of this neural connection in the human larynx.
Summary:
- This study examined the anatomy of 47 fresh human half-larynges.
- The research demonstrated the consistent presence of an anastomosis between the superior and recurrent laryngeal nerves.
- This connection was observed as either a single nerve or a nerve plexus.
Impact:
- Challenges the notion of Galen's anastomosis as a rare or variable structure.
- Provides definitive anatomical evidence for the invariable existence of this neural pathway.
- Contributes to a clearer understanding of laryngeal innervation and surgical anatomy.