Bronchomediastinal trunk
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View Daniel J Bell's current disclosuresAt the time the article was last revised Daniel J Bell had no recorded disclosures.
View Daniel J Bell's current disclosures- Right bronchomediastinal trunk
- Left bronchomediastinal trunk
- Left bronchomediastinal trunks
- Right bronchomediastinal trunks
- Right bronchomediastinal lymphatic trunk
- Left bronchomediastinal lymphatic trunk
- Bronchomediastinal trunks
- Bronchomediastinal lymphatic trunk
- Bronchomediastinal lymphatic trunks
- Left bronchomediastinal lymphatic trunks
- Right bronchomediastinal lymphatic trunks
The bronchomediastinal trunks (a.k.a. bronchomediastinal lymphatic trunks) are lymphatic trunks, one on each side of the body. On the left, the bronchomediastinal trunk is a tributary of the thoracic duct, and on the right, it is a tributary of the right lymphatic duct. Although, in some individuals, the bronchomediastinal trunks drain directly into their respective brachiocephalic veins 1.
The bronchomediastinal trunks are partially responsible for returning lymph to the systemic circulation from thoracic structures, for example the lungs.
Valves have been identified close to the junction between the bronchomediastinal trunks and the thoracic duct which are thought to prevent retrograde flow of the lymph 4.
Related pathology
There is much interest in the potential for the bronchomediastinal trunks to act as a retrograde route for metastatic cells passing from the thoracic duct back to the mediastinal nodes 4.
References
- 1. Chummy S. Sinnatamby. Last's Anatomy. (2020) ISBN: 9780702033957
- 2. Breslin JW, Yang Y, Scallan JP, Sweat RS, Adderley SP, Murfee WL. Lymphatic Vessel Network Structure and Physiology. (2018) Comprehensive Physiology. 9 (1): 207-299. doi:10.1002/cphy.c180015 - Pubmed
- 3. Murakami G, Sato T, Takiguchi T. Topographical anatomy of the bronchomediastinal lymph vessels: their relationships and formation of the collecting trunks. (1990) Archives of histology and cytology. 53 Suppl: 219-35. doi:10.1679/aohc.53.suppl_219 - Pubmed
- 4. Langford RJ. Valves in the subsidiary lymph trunks in the neck. (2002) Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery. 30 (2): 121-4. doi:10.1054/jcms.2002.0298 - Pubmed
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