NIH MeSH · D001401Anatomy
Azygos Vein
Also known asAzygos Veins · Vein, Azygos · Veins, Azygos
Definition
A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava.
MeSH classification
- A07.015.908.106
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Common questions about Azygos Vein
What does Azygos Vein mean in medicine?
A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Azygos Vein known by any other names?
Yes. Azygos Vein is also referred to as Azygos Veins, Vein, Azygos, Veins, Azygos in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Azygos Vein sit in the medical classification?
Azygos Vein falls under the broader medical category "Anatomy" in the MeSH hierarchy (tree numbers: A07.015.908.106). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Azygos Vein?
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Source: NIH MeSH 2026 (D001401) — National Library of Medicine, public domain. View official MeSH record ↗