Anastomosis

Anastomosis is the medical term for a surgical connection between two tubular structures, channels, anastomosis, or passages that typically do not attach. In medical anastomosis, anastomosis is when surgeons connect two tube-like structures inside the body. This article looks at the types of anastomosis and their uses.

Anastomosis is the connection of two things that are normally diverging. In medicine, an anastomosis typically refers to a connection between blood vessels or between two loops of the intestine. Naturally occurring anastomosis refers to how structures are connected biologically in the body. For example, many veins and arteries are connected to each other. This helps us efficiently transport blood and nutrients throughout the body. A surgical anastomosis is an artificial connection made by a surgeon. It may be done when an artery, vein, or part of the intestine is blocked off.

Anastomosis

Such a connection may be normal such as the foramen ovale in a fetus' heart or abnormal such as the patent foramen ovale in an adult's heart ; it may be acquired such as an arteriovenous fistula or innate such as the arteriovenous shunt of a metarteriole ; and it may be natural such as the aforementioned examples or artificial such as a surgical anastomosis. The reestablishment of an anastomosis that had become blocked is called a reanastomosis. Anastomoses that are abnormal, whether congenital or acquired, are often called fistulas. The term is used in medicine , [1] biology , mycology , geology , and geography. An anastomosis is the connection of two normally divergent structures. The circulatory anastomosis is further divided into arterial and venous anastomosis. Arterial anastomosis includes actual arterial anastomosis e. Anastomoses also form alternative routes around capillary beds in areas that do not need a large blood supply, thus helping regulate systemic blood flow. Surgical anastomosis occurs when segments of intestine , blood vessel, or any other structure are connected together surgically anastomosed. Examples include arterial anastomosis in bypass surgery , intestinal anastomosis after a piece of intestine has been resected, Roux-en-Y anastomosis and ureteroureterostomy.

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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anastomosis. Send us feedback about these examples. Accessed 14 Mar. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! See Definitions and Examples ». Log In. Examples of anastomosis in a Sentence.

Arterial anastomosis is the clinical term for connecting or reconnecting arteries to improve circulation. You might undergo anastomosis for several reasons, including recovery from an injury or to treat a blocked coronary artery. Arterial anastomosis is one type of anastomosis. It can be done in different ways, depending on your needs. However, all types of anastomosis are surgical procedures that carry a certain amount of risk, including one of the blood vessels leaking during the operation. Under the supervision of an experienced vascular surgeon, arterial anastomosis can be a lifesaving procedure that restores healthy circulation or prevents major complications stemming from diseased, injured, or blocked blood vessels.

Anastomosis

During a partial colectomy, a surgeon removes the diseased portion of your colon and a small portion of surrounding healthy tissue. The surgeon may join the cut ends of the colon so that waste leaves your body normally. Or it might be necessary to connect the colon to an opening stoma in the abdominal wall, where waste leaves the body and collects in a bag attached to the opening.

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Get Word of the Day daily email! You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Bowel anastomosis connects two sections of the bowel or connects the bowel to other structures within the body. Examples include arterial anastomosis in bypass surgery , intestinal anastomosis after a piece of intestine has been resected, Roux-en-Y anastomosis and ureteroureterostomy. Researchers do not know the causes of anastomotic leakage. Large intestine obstructions are usually from cancer but may also result from other conditions, such as volvulus, when the intestine twists. Colectomy is another type of colon cancer surgery. Ductile shear zones frequently show anastomosing geometries of highly- strained rocks around lozenges of less-deformed material. If the leak is larger, another surgery is needed. Popular in Wordplay See All.

Anastomosis is the connection of two things that are normally diverging. In medicine, an anastomosis typically refers to a connection between blood vessels or between two loops of the intestine. Naturally occurring anastomosis refers to how structures are connected biologically in the body.

Proceedings of the Pennsylvania Academy of Science. Some definitions require that an anastomosing river be made up of interconnected channels that enclose floodbasins, [18] again in contrast with braided rivers. We avoid using tertiary references. Share this article. Send us feedback about these examples. An anastomotic leak is a rare but serious complication of anastomosis. Other types of bowel anastomoses. In the cases of veins or arteries, traumatic fistulas usually occur between artery and vein. During a coronary bypass surgery, for example, a surgeon will use blood vessels taken from another area of your body to repair a damaged or blocked artery. An intestinal blockage is an obstruction in the bowel.