Arteriovenous anastomosis
Arteriovenous Anastomosis (pronunciation: ar-teer-ee-o-vee-nuhs a-nuh-stuh-moh-sis) is a medical term that refers to a connection or link between an artery and a vein. This connection can either be natural or surgically created.
Etymology
The term "Arteriovenous Anastomosis" is derived from three words. "Arterio" is derived from the Latin word "arteria", which means artery. "Venous" is derived from the Latin word "vena", which means vein. "Anastomosis" is derived from the Greek word "anastomosis", which means opening or outlet.
Function
The primary function of an Arteriovenous Anastomosis is to bypass the capillary bed. This allows the blood to flow directly from the arteries to the veins. This mechanism is particularly useful in thermoregulation, where it helps in conserving or releasing heat.
Related Terms
- Artery: A blood vessel that carries oxygenated blood away from the heart to the body.
- Vein: A blood vessel that carries deoxygenated blood from the body back to the heart.
- Capillary: The smallest blood vessels where the exchange of oxygen, carbon dioxide, and other substances occur.
- Thermoregulation: The process that allows the human body to maintain its core internal temperature.
See Also
External links
- Medical encyclopedia article on Arteriovenous anastomosis
- Wikipedia's article - Arteriovenous anastomosis
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