A cardiac atrium that is in the left side of the heart. It receives deoxygenated blood. In mammals, this comes from the superior and inferior vena cava and the coronary sinus, and pumps it into the right ventricle through the tricuspid valve. [ http://en.wikipedia.org/wiki/Right_atrium http://orcid.org/0000-0002-6601-2165 ]

Synonyms: right atrium of heart heart right atrium right atrium cardiac right atrium right cardiac atrium

This is just here as a test because I lose it

Term information

database cross reference

uberon_slim, pheno_slim

depicted by


external definition

Right cardiac chamber which is continuous with the superior vena cava and inferior vena cava.[FMA]

has related synonym

atrium dextrum

homology notes

The tetrapod clade develops a complete atrial septum and loses the fifth aortic arch altogether.[well established][VHOG]



implements design pattern