anastomosis
Americannoun
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Anatomy. communication between blood vessels by means of collateral channels, especially when usual routes are obstructed.
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Biology, Geology. connection between parts of any branching system, as veinlets in a leaf or branches of a stream.
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Surgery, Pathology. a joining of or opening between two organs or spaces that normally are not connected.
noun
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a natural connection between two tubular structures, such as blood vessels
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the surgical union of two hollow organs or parts that are normally separate
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the separation and rejoining in a reticulate pattern of the veins of a leaf or of branches
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of anastomosis
1605–15; < New Latin < Greek: opening. See ana-, stoma, -osis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
This had a repertoire of stitches, knots and manoeuvres that permitted it to plan and carry out a procedure, known as anastomosis, which involves sewing together two parts of a bodily tube.
From Economist ● May 4, 2016
The right and left anterior cerebral arteries join together to form an anastomosis called the anterior communicating artery.
From Textbooks ● Jun. 19, 2013
In addition, an arteriovenous anastomosis may bypass the capillary bed and lead directly to the venous system.
From Textbooks ● Jun. 19, 2013
Dr. Ernest Laplace, 63, famed surgeon, inventor of the first forceps for intestinal anastomosis; of heart disease, in Philadelphia.
From Time Magazine Archive
Their course is exceedingly short; and they have not a single anastomosis, in order that the impression made on them may be conveyed undisturbed and perfect to the brain.
From The Dog by Youatt, William
You will also find examples of anastomoses where two blood vessels that previously branched reconnect.
From Textbooks ● Jun. 19, 2013
There is considerable, but not total, intermingling of the systemic and pulmonary blood at anastomoses in the smaller branches of the lungs.
From Textbooks ● Jun. 19, 2013
Although the external and internal jugular veins are separate vessels, there are anastomoses between them close to the thoracic region.
From Textbooks ● Jun. 19, 2013
The “Voyage of Discovery” analogy and stick drawings mentioned earlier remain valid techniques for the study of systemic veins, but veins present a more difficult challenge because there are numerous anastomoses and multiple branches.
From Textbooks ● Jun. 19, 2013
It originates in the smaller branches of an artery—usually the temporal—and may spread to the main trunk, and may even involve branches of other trunks with which the affected artery anastomoses.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
