IPA: /ˈeɪ.tri.əl/
KK: /ˈeɪ.tri.əl/
Related to an atrium, which is a central part of a structure, either in anatomy or architecture.
The doctor explained that the atrial walls are important for heart function.
Atrial → It is formed from "atrium" (from Latin, meaning entrance hall or main room) and the suffix "-al" (meaning pertaining to). The word "atrial" refers to something that pertains to an atrium, particularly in a biological context, such as the atria of the heart.
Think of an 'atrium' as the main entrance or room, and remember that 'atrial' means something related to that space, especially in the context of the heart.