You searched for: “atrium”
atrium (s) (noun), atria or atriums (pl)s
In biology, a chamber at the entrance of a body opening: Janet read about <(>atriums being a cavity at the beginning of an orifice of a body.
This entry is located in the following unit: Ant and Related Entomology Terms (page 4)
atrium (s) (noun), atriums (pl)
Either of the two upper chambers of the heart: Both atriums in the heart are vital to a person's life. The right atrium takes in deoxygenated blood, while the pulmonary vein pumps oxygenated blood into the left atrium.
This entry is located in the following unit: Anatomy and Related Anatomical Terms (page 3)