Right marginal branch of right coronary artery
Right Marginal Branch of Right Coronary Artery
The Right Marginal Branch of the Right Coronary Artery (RMBRCA) is a significant branch of the Right Coronary Artery (RCA). It plays a crucial role in the circulatory system, supplying blood to the right ventricle of the heart.
Anatomy
The RMBRCA originates from the RCA, which itself arises from the aorta just above the aortic valve. The RCA travels down the right atrioventricular groove, towards the apex of the heart. The RMBRCA branches off from the RCA and runs towards the apex along the acute margin of the heart.
Function
The primary function of the RMBRCA is to supply oxygenated blood to the lateral wall of the right ventricle. This is vital for the normal functioning of the heart, as the right ventricle is responsible for pumping deoxygenated blood to the lungs for oxygenation.
Clinical Significance
Blockage or narrowing of the RMBRCA can lead to a condition known as myocardial infarction, commonly referred to as a heart attack. This is because the blockage prevents the flow of oxygenated blood to the part of the heart muscle supplied by the affected artery, causing the muscle cells to die. Symptoms of a myocardial infarction include chest pain, shortness of breath, and fatigue.
See Also
References
Right marginal branch of right coronary artery
Coronary arteries
Human heart with coronary arteries
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