Ligamentum arteriosum
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| Ligament: Ligamentum arteriosum | ||
|---|---|---|
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| The middle and posterior mediastina. Left side. (Lig. arteriosum labeled at upper right.) | ||
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| Heart of dog. 1. left ventricle 2. anterior interventricular sulcus 3. right ventricle 4. conus arteriosus 5. pulmonary artery 6. Ligamentum arteriosum 7. aortic arch 8. brachiocephalic artery 9. left subclavian artery 10. right auricle 11. left auricle 12. fat 13. pulmonary vein | ||
| Gray's | subject #141 545 | |
| From | pulmonary artery | |
| To | aortic trunk | |
| Dorlands/Elsevier | l_09/12491658 | |
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The ligamentum arteriosum is a small ligament attached to the superior surface of the pulmonary trunk and the inferior surface of the aortic arch. It is a nonfunctional vestige of the ductus arteriosus, and is formed within three weeks of birth.
The ligamentum arteriosum is closely related to the left recurrent laryngeal nerve, a branch of the left vagus nerve. After splitting from the left vagus nerve, the left recurrent laryngeal loops around the ligamentum arteriosum, after which it courses posterior to the aortic arch and ascends to the larynx.
See also
External links
Fetal vascular remnant ligaments | |
|---|---|
| Heart | Ligamentum arteriosum |
| Liver | Round ligament of liver - Ligamentum venosum |
| Umbilical | Medial umbilical ligament (see also Median umbilical ligament and Lateral umbilical ligament) |
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
