Coronary sulcus

Coronary sulcus (also known as the coronary groove or atrioventricular groove) is a groove on the outer surface of the heart, separating the atria from the ventricles. It is occupied by the coronary arteries and cardiac veins.

Anatomy

The coronary sulcus is a groove that encircles the heart, marking the external boundary between the atria and the ventricles. It is located on the outer surface of the heart and runs obliquely around the heart, passing around the right side of the heart and reaching the back of the heart.

The coronary sulcus contains the right coronary artery and the small cardiac vein on the right side of the heart. On the left side, it contains the circumflex artery and the great cardiac vein.

Function

The coronary sulcus plays a crucial role in the circulation of blood to the heart muscle. The arteries and veins that run within the sulcus supply blood to the heart muscle and carry away the deoxygenated blood.

Clinical significance

The coronary sulcus, along with the arteries and veins it contains, can be affected by various heart diseases. For example, coronary artery disease (CAD) can lead to the narrowing or blockage of the arteries in the sulcus, reducing blood flow to the heart muscle and potentially leading to a heart attack.

See also

• Heart
• Coronary arteries
• Cardiac veins
• Coronary artery disease

References

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