vena hemiazygos accessoria is a noun meaning "a vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein". It carries one recorded sense.
a vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein
Definitions, synonyms and semantic relations for vena hemiazygos accessoria come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.