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[uh-nas-tuh-mohz] /əˈnæs təˌmoʊz/
verb (used with or without object), anastomosed, anastomosing. Physiology, Anatomy, Geology.
to communicate or connect by anastomosis.
Origin of anastomose
First recorded in 1690-1700; back formation from anastomosis


[uh-nas-tuh-moh-sis] /əˌnæs təˈmoʊ sɪs/
noun, plural anastomoses
[uh-nas-tuh-moh-seez] /əˌnæs təˈmoʊ siz/ (Show IPA)
Anatomy. communication between blood vessels by means of collateral channels, especially when usual routes are obstructed.
Biology, Geology. connection between parts of any branching system, as veinlets in a leaf or branches of a stream.
Surgery, Pathology. a joining of or opening between two organs or spaces that normally are not connected.
1605-15; < New Latin < Greek: opening. See ana-, stoma, -osis
Related forms
[uh-nas-tuh-mot-ik] /əˌnæs təˈmɒt ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for anastomoses
Historical Examples
British Dictionary definitions for anastomoses


to join (two parts of a blood vessel, etc) by anastomosis


noun (pl) -ses (-siːz)
a natural connection between two tubular structures, such as blood vessels
the surgical union of two hollow organs or parts that are normally separate
the separation and rejoining in a reticulate pattern of the veins of a leaf or of branches
Derived Forms
anastomotic (əˌnæstəˈmɒtɪk) adjective
Word Origin
C16: via New Latin from Greek: opening, from anastomoun to equip with a mouth, from stoma mouth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for anastomoses



1610s, medical or Modern Latin, from Greek anastomosis "outlet, opening," from anastomoein "to furnish with a mouth," from stoma "mouth" (see stoma). Related: Anastomotic.

Online Etymology Dictionary, © 2010 Douglas Harper
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anastomoses in Medicine

anastomose a·nas·to·mose (ə-nās'tə-mōz', -mōs')
v. a·nas·to·mosed, a·nas·to·mos·es, a·nas·to·mos·ing

  1. To join by anastomosis.

  2. To be connected by anastomosis.

anastomosis a·nas·to·mo·sis (ə-nās'tə-mō'sĭs)
n. pl. a·nas·to·mo·ses (-sēz)

  1. The direct or indirect connection of separate parts of a branching system to form a network, especially among blood vessels.

  2. The surgical connection of separate or severed tubular hollow organs to form a continuous channel as between two parts of the intestine.

  3. An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.

a·nas'to·mot'ic (-mŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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