# What are the coronary arteries?

The coronary arteries is called the coronary arteries. Gray's Anatomy (1918) describes it as the arteries that supply the heart muscle itself.

## What it means

- The arteries that supply the heart muscle itself.
- Two main branches — the left and right coronary arteries — arise from the base of the aorta.
- Named because they encircle the heart like a crown ('corona').

## Action steps

1. On the outer surface of the heart, running in the grooves between chambers.
2. Arise from the aorta just above the aortic valve.
3. Branch to reach every part of the heart wall.

## Sources

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

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