Definition, Meaning & Synonyms

atria

Noun

/ˈeɪ.tri.ə/

Definition

The plural form of atrium, which refers to the two upper chambers of the heart that receive blood from the veins.

Examples

The right atrium receives deoxygenated blood from the body.
The left atrium receives oxygen-rich blood from the lungs.
Problems with the atria can lead to various heart conditions.

Meaning

Atria are the two upper chambers in the heart that play a crucial role in transporting blood to the lower chambers (ventricles). They ensure that oxygen-depleted blood from the body and oxygen-rich blood from the lungs enters the heart for circulation.