The right marginal branch of right coronary artery (or right marginal artery) is the largest marginal branch of the

right coronary artery In the blood supply of the heart, the right coronary artery (RCA) is an artery originating above the right cusp of the aortic valve, at the right aortic sinus in the heart. It travels down the right coronary sulcus, towards the crux of the he ...

. It follows the acute margin of the

heart The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon diox ...

. It supplies blood to both surfaces of the

right ventricle A ventricle is one of two large chambers toward the bottom of the heart that collect and expel blood towards the peripheral beds within the body and lungs. The blood pumped by a ventricle is supplied by an atrium, an adjacent chamber in the upper ...

Structure

The right marginal branch is the largest branch to split off from the

. It often anastomoses with the nearby parallel posterior interventricular artery, which itself is usually a continuation of the right coronary artery.

Variation

The right marginal branch may reach the distal part of the posterior interventricular sulcus.

Function

The right marginal branch primarily supplies the

Additional images

File:Human heart with coronary arteries new.png, Human heart with coronary arteries

References

External links

* - "Anterior view of the heart."
Image

{{Authority control Arteries of the thorax