Right marginal vein

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Right Marginal Vein

The Right Marginal Vein is a significant vein in the human heart that carries deoxygenated blood. It is a part of the coronary circulation system, which is responsible for supplying the heart muscle with oxygen and nutrients.

Etymology

The term "Right Marginal Vein" is derived from its location and function. "Right" refers to its position in the right side of the heart. "Marginal" indicates its location on the margin or edge of the heart. "Vein" is a term used in anatomy to describe a type of blood vessel that carries blood towards the heart.

Anatomy

The Right Marginal Vein runs along the right margin of the heart's right ventricle. It begins at the lower part of the anterior interventricular sulcus and ends at the coronary sinus, a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart.

Function

The primary function of the Right Marginal Vein is to drain deoxygenated blood from the myocardium of the right ventricle and deliver it to the coronary sinus. From there, the blood is transported to the right atrium of the heart, where it is then sent to the lungs for oxygenation.

Clinical Significance

The Right Marginal Vein is an important structure in the diagnosis and treatment of heart diseases. Its blockage or damage can lead to serious conditions such as myocardial infarction (heart attack) or ischemic heart disease. Therefore, understanding its anatomy and function is crucial for medical professionals.

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  • Gray's Anatomy illustration of the right marginal vein

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Contributors: Prab R. Tumpati, MD