Our vibrant independent and assisted senior living communities offer opportunities to be active, socialize, participate, and live purposeful lives.

The Atria Health Institute is a membership-based health care organization delivering care at the forefront of longevity science and precision medicine. Our full-time team of 50 top doctors from 15+ specialties …

Under the leadership of CEO John Moore, you'll find Atria independent living, assisted living, and memory care communities in 45 states, primarily concentrated on the coasts. Atria manages several …

Medical Definition atrium noun atri· um ˈā-trē-əm plural atria -trē-ə also atriums : an anatomical cavity or passage

ATRIA definition: sing. atrium (ay-tree-uhm) The two upper chambers in the heart, which receive blood from the veins and push it into the ventricles. (See circulatory system.)

Apr 29, 2025 · Atria are the upper chambers of the heart. They receive blood returning to the heart from other areas of the body and send blood to the ventricles.

The equine heart is composed of two ventricles and two atria, the aorta exiting from the left ventricle and the pulmonary trunk from the right ventricle.