crucial anastomosis
Information about crucial anastomosis
Medicine
Anastomosis is the surgical connection of two structures.[1] It commonly refers to connections between blood vessels or connections between other tubular structures such as loops of intestine. In circulatory anastomosis, many arteries naturally anastomose with each other. For example: the inferior epigastric artery and superior epigastric artery. In surgery, surgical anastomosis occurs when a segment of intestine is resected and the two remaining ends are sewn or stapled together (anastomosed). The procedure is referred to as intestinal anastomosis.Pathological anastomosis results from trauma or disease and may involve veins, arteries, or intestines. These are usually referred to as fistulas. In the cases of veins or arteries, traumatic fistulas usually occur between artery and vein. Traumatic intestinal fistulas usually occur between two loops of intestine (enetero-enteric fistula) or intestine and skin (enterocutaneous fistula). Portacaval anastomosis, by contrast, is an anastomosis between a vein of the portal circulation and a vein of the systemic circulation, which allows blood to bypass the liver in patients with portal hypertension, often resulting in hemorrhoids, esophageal varices, or caput medusae.
Biology
In evolution, anastomosis is a recombination of evolutionary lineage. Conventional accounts of evolutionary lineage present themselves as the simple branching out of species into novel forms. Under anastomosis, species might recombine after initial branching out, such as in the case of recent research which shows that humans and chimpanzees may have interbred after an initial branching out.[2] A second case in which the idea of anastomosis finds application is in the theory of Symbiogenesis, in which new forms of life (species) are seen to emerge from the formation of novel symbiotic relationships.Geology
In geology, anastomosis is used to refer to quartz (or other) veins displaying this property, which is often related to shearing in metamorphic regions. There is also a type of stream called anastomosing, which consists of a wide strath and multiple thalwegs divided by vegetated stabilized islands within subparallel banks.References
1. ^ Gylys, Barbara A. and Mary Ellen Wedding, Medical Terminology Systems, F.A. Davis Company, 2005.
2. ^ Patterson, Nick; et al. (May 2006). "Genetic evidence for complex speciation of humans and chimpanzees". Nature 441: 1103–1108. DOI:10.1038/nature04789. Retrieved on 2006-09-18.
2. ^ Patterson, Nick; et al. (May 2006). "Genetic evidence for complex speciation of humans and chimpanzees". Nature 441: 1103–1108. DOI:10.1038/nature04789. Retrieved on 2006-09-18.
The blood vessels are part of the cardiovascular system and function to transport blood throughout the body. The most important types, arteries and veins, carry blood away from or towards the heart, respectively.
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In anatomy, the intestine is the segment of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine.
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- Coronary: anterior and posterior interventricular arteries of the heart
Coronary
Coronary anastomoses are a clinically vital subject: the coronary anastomosis is the blood supply to the heart. The coronary arteries are vulnerable to arteriosclerosis and other effects...... Click the link for more information.
In human anatomy, inferior epigastric artery refers to the artery that arises from the external iliac artery and anastomoses with the superior epigastric artery. Along its course, it is accompanied by a similarly named vein, the inferior epigastric vein.
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In human anatomy, superior epigastric artery refers to a blood vessel that carries oxygenated blood and arises from the internal thoracic artery (referred to as the internal mammary artery in the accompanying diagram).
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Blood vessels: Arteries and veins. Most vascular procedures, including all arterial bypass operations (e.g. coronary artery bypass), aneurysmectomy of any type, and all solid organ transplants require vascular anastomoses.
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Pathologist redirects here. For other uses of the terms pathology or pathological, see pathology (disambiguation).
Pathology is the study and diagnosis of disease through examination of organs, tissues, cells and bodily fluids.
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vein is a blood vessel that carries blood toward the heart. The majority of veins in the body carry low-oxygen blood from the tissues back to the heart; the exceptions being the pulmonary and umbilical veins which both carry oxygenated blood.
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Arteries are muscular blood vessels that carry blood away from the heart.[1] All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.
The circulatory system is extremely important for sustaining life.
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The circulatory system is extremely important for sustaining life.
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MeSH D005402 In medicine, a fistula (pl. fistulas or fistulae) is an abnormal connection or passageway between two epithelium-lined organs or vessels that normally do not connect. It is a very serious and painful disorder.
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Skin layers: epidermis, dermis, and subcutis, showing a hair follicle, sweat gland & sebaceous gland.]] In zootomy and dermatology, skin is the largest organ of the integumentary system made up of multiple layers of epithelial tissues that guard underlying muscles and organs.
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A portacaval anastomosis is a specific type of anastomosis that occurs between the veins of portal circulation and those of systemic circulation.
Specific types include:
Region Name portal circulation systemic circulation
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Specific types include:
Region Name portal circulation systemic circulation
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portal venous system occurs when a capillary bed drains into another capillary bed through veins. Both capillary beds and the blood vessels that connect them are considered part of the portal venous system.
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Systemic circulation is the portion of the cardiovascular system which carries oxygenated blood away from the heart, to the body, and returns deoxygenated blood back to the heart. The term is contrasted with pulmonary circulation.
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MeSH D006975 In medicine, portal hypertension is hypertension (high blood pressure) in the portal vein and its branches. It is often defined as a portal pressure gradient (the difference in pressure between the portal vein and the hepatic veins) of 12 mm Hg or greater.
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Hemorrhoids
Classification & external resources
Schematic demonstrating the anatomy of hemorrhoids.
ICD-10 I 84.
ICD-9 455
MedlinePlus 000292
eMedicine med/2821
Hemorrhoids (AmE), haemorrhoids (BrE), emerods
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Classification & external resources
Schematic demonstrating the anatomy of hemorrhoids.
ICD-10 I 84.
ICD-9 455
MedlinePlus 000292
eMedicine med/2821
Hemorrhoids (AmE), haemorrhoids (BrE), emerods
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Esophageal varices
Classification & external resources
Gastroscopy image of esophageal varices with prominent red wale spots
ICD-10 I 85.
ICD-9 456.0 -456.
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Classification & external resources
Gastroscopy image of esophageal varices with prominent red wale spots
ICD-10 I 85.
ICD-9 456.0 -456.
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Caput medusae is the appearance of distended and engorged umbilical veins which are seen radiating from the umbilicus across the abdomen to join systemic veins. The name caput medusae
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Symbiogenesis is the merging of two separate organisms to form a single new organism. The idea originated with Konstantin Mereschkowsky in his 1926 book Symbiogenesis and the Origin of Species
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Oceanic crust 0-20 Ma
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F.A. Davis Company (F.A. Davis or Davis) is a notable publishing firm headquartered in Philadelphia, Pennsylvania, USA. Davis publishes mostly textbooks and reference books for the medical, nursing, and health-related professions fields.
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