Small cardiac vein

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Small Cardiac Vein

The Small Cardiac Vein (pronunciation: /smɔːl kɑːrˈdiæk viːn/) is a significant vein in the human heart that plays a crucial role in the cardiovascular system.

Etymology

The term "Small Cardiac Vein" is derived from the Latin words 'cardia' meaning heart, and 'vena' meaning vein. The prefix 'small' is used to differentiate it from the larger veins in the heart.

Anatomy

The Small Cardiac Vein, also known as the Thebesian vein, runs in the coronary sulcus between the right atrium and right ventricle, and opens into the right atrium. It receives blood from the posterior portion of the right ventricle and the diaphragmatic surface of the heart.

Function

The primary function of the Small Cardiac Vein is to drain the blood from the heart muscle (myocardium) and carry it back to the right atrium. This process is crucial for the removal of waste products from the myocardium and maintaining the overall health of the heart.

Related Terms

  • Coronary circulation: The circulation of blood in the blood vessels of the heart muscle.
  • Coronary sulcus: A groove that externally marks the division between the atria and ventricles of the heart.
  • Right atrium: One of the four chambers of the heart, which receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle.
  • Right ventricle: One of the four chambers of the heart, which receives deoxygenated blood from the right atrium and pumps it to the lungs through the pulmonary artery.

External links

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