anastomosis
Americannoun
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anastomoses
plural
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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
An arteriovenous anastomosis, which directly connects the arteriole with the venule, is shown at the bottom.
From Textbooks ● Jun. 19, 2013
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
"Oh," I said, "you're going to do an end-to-end anastomosis."
From Time Magazine Archive
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By means of anastomosis, if the course of a fluid is arrested in one vessel it can proceed along others.
From The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli by Various
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
You will also find examples of anastomoses where two blood vessels that previously branched reconnect.
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
The anastomoses in the heart are very small.
From Textbooks ● Jun. 19, 2013
In most parts of the body the venous anastomoses are so numerous that the obstruction of a vein is readily compensated for through the collateral venous circulation.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
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.