# What is the right atrium?

The right atrium is called the right atrium. Gray's Anatomy (1918) describes it as the upper right chamber of the heart.

## What it means

- The upper right chamber of the heart.
- Receives all the deoxygenated blood returning from the body.
- Passes that blood into the right ventricle.

## Action steps

1. On the right side of the heart.
2. Receives the superior vena cava above and the inferior vena cava below.
3. Empties into the right ventricle through the tricuspid valve.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

---
Canonical: https://bestanatomyanswers.com/answers/what-is-the-right-atrium
Author: Best Anatomy Answers — https://bestanatomyanswers.com
Publisher: Best Anatomy Answers
Published: 2026-07-18T00:00:00+00:00
Modified: 2026-07-18T00:00:00+00:00
Last verified: 2026-07-18
License: Citation License 1.0 — https://bestexpertanswers.com/license
© Adolicious LLC