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 ovarian artery continues to the uterus where it forms an anastomosis with the uterine artery that supplies blood to the uterus.
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
"Oh," I said, "you're going to do an end-to-end anastomosis."
From Time Magazine Archive
Where the anastomosis is less free the process is more prolonged.
From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis
The anastomoses in the heart are very small.
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
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
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
If the obstructed artery is not terminal, the embolus may produce no further disturbance, the collateral supply of blood through the anastomoses sufficing for the nutrition and function of the part.
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.
