atrial
adj. C1 Advanced UK //ˈætɹɪəl// atri·al
adj. relating to the atrium, which is the upper part of the heart. You use this to describe things that happen in or affect this specific area.
adj. relating to the atrium, the upper chamber of the heart. Typically used in medical or anatomical contexts to describe structures or conditions within this specific cardiac region.
The doctor checked the atrial rhythm during the exam.
Atrial fibrillation is a common heart condition where the upper chambers of the heart beat irregularly.
The surgical team performed a procedure to repair the atrial septum, which had developed a small hole that allowed blood to flow between the two upper chambers.
From atrium + -al.