Anatomy

Azygos Vein

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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 Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • Azygos Veins
  • Vein, Azygos
  • Veins, Azygos

MeSH Record

Aspects Covered

23 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, growth & development, immunology, injuries, innervation, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, transplantation, ultrastructure, virology.

MeSH Hierarchy

Tree Number

  1. A07w.015w.908w.106w

MeSH Record

NLM Classification

WG 625.A99

AMA Style

References

  1. National Library of Medicine. Azygos Vein. Medical Subject Headings (MeSH). 2026. Unique ID D001401. http://id.nlm.nih.gov/mesh/2026/D001401
  2. Azygos Vein. In: Wikipedia. https://en.wikipedia.org/wiki/Azygos_vein
  3. Azygos Vein. In: Wikidata. https://www.wikidata.org/wiki/Q591137