Gr. a = not, and zygos = a yoke. Therefore, this applies to any unpaired or unyoked structure, such as the azygos vein or the azygos lobe of the lung.
Gr. a = not, and zygos = a yoke. Therefore, this applies to any unpaired or unyoked structure, such as the azygos vein or the azygos lobe of the lung.