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 basilar artery is an anastomosis that begins at the junction of the two vertebral arteries and sends branches to the cerebellum and brain stem.
From Textbooks ● Jun. 19, 2013
The right and left anterior cerebral arteries join together to form an anastomosis called the anterior communicating artery.
From Textbooks ● Jun. 19, 2013
"Oh," I said, "you're going to do an end-to-end anastomosis."
From Time Magazine Archive
This he found in the branching and reuniting of the veins in the leaves, known as anastomosis.
From Man or Matter by Lehrs, Ernst
You will also find examples of anastomoses where two blood vessels that previously branched reconnect.
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
Along the way it gives rise to numerous smaller branches that interconnect with the branches of the posterior interventricular artery, forming anastomoses.
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
In the absorbent system there are many anastomoses of the vessels, which seem of great consequence to the preservation of health.
From Zoonomia, Vol. I Or, the Laws of Organic Life by Darwin, Erasmus
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.
