[ uh-nas-tuh-moh-sis ]
/ əˌnæs təˈmoʊ sɪs /
noun, plural a·nas·to·mo·ses [uh-nas-tuh-moh-seez] /əˌnæs təˈmoʊ siz/.
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.
Related formsa·nas·to·mot·ic [uh-nas-tuh-mot-ik] /əˌnæs təˈmɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for anastomotic
While these changes are taking place the collateral arteries become enlarged, and an anastomotic circulation is established.Manual of Surgery|Alexis Thomson and Alexander Miles
British Dictionary definitions for anastomotic
/ (əˌnæstəˈməʊsɪs) /
noun plural -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 Formsanastomotic (əˌnæstəˈmɒtɪk), adjective
Word Origin for anastomosis
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
Medicine definitions for anastomotic
[ ə-năs′tə-mō′sĭs ]
n. pl. a•nas•to•mo•ses (-sēz)
The direct or indirect connection of separate parts of a branching system to form a network, especially among blood vessels.
The surgical connection of separate or severed tubular hollow organs to form a continuous channel as between two parts of the intestine.
An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.
Related formsa•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.