bn:00006968n
Noun Concept
Categories: Cardiac anatomy, Pages with missing ISBNs
EN
atrium  heart atrium  atria  atrial  atrial appendage
EN
Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) WordNet 3.0
English:
heart
anatomy
Definitions
Relations
Sources
EN
Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) WordNet 3.0 & Open English WordNet
The atrium is one of the two upper chambers in the heart that receives blood from the circulatory system. Wikipedia
An anatomical structure of the heart Wikipedia Disambiguation
Chamber of the heart Wikidata
In many animals, among which the mammals, heart cavity preceding, in the blood circulation, a more muscular ventricle. OmegaWiki
One of two upper chambers of the heart. Wiktionary