---
title: "Azygos"
chunk: 1/1
source: "https://en.wikipedia.org/wiki/Azygos"
category: "reference"
tags: "science, encyclopedia"
date_saved: "2026-05-05T07:26:25.966903+00:00"
instance: "kb-cron"
---

Azygos (impar), from the Greek άζυξ, refers to an anatomical structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry. Azygos may refer to:

Azygos anterior cerebral artery
Azygos artery of vagina
Azygos lobe
Azygos vein
Ganglion impar