anastomosis

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anastomosis

 [ah-nas″to-mo´sis] (pl. anastomo´ses) (Gr.)
1. communication between two tubular organs.
2. surgical, traumatic, or pathologic formation of a connection between two normally distinct structures. adj., adj anastomot´ic.
arteriovenous anastomosis
anastomosis between an artery and a vein.
Simple arteriovenous anastomosis. From Dorland's, 2000.
crucial anastomosis an arterial anastomosis in the upper part of the thigh, formed by the anastomotic branch of the sciatic artery, the internal circumflex artery, and the first perforating and transverse portions of the external circumflex artery.
end-to-end anastomosis
1. an anastomosis connecting the end of an artery and that of some other vessel, either directly or with a synthetic graft.
2. anastomosis of two sections of colon, such as with partial colectomy or when an ileostomy is closed.
end-to-side anastomosis an anastomosis connecting the end of one vessel with the side of a larger one.
heterocladic anastomosis one between branches of different arteries.
ileorectal anastomosis surgical anastomosis of the ileum and rectum after total colectomy, as is sometimes performed in the treatment of ulcerative colitis.
intestinal anastomosis establishment of a communication between two formerly distant portions of the intestine.

a·nas·to·mo·sis

, pl.

a·nas·to·mo·ses

(ă-nas'tō-mō'sis, -sez), This word is properly used only in reference to tubular or hollow structures, not to nerves.
1. A natural communication, direct or indirect, between two blood vessels or other tubular structures.
2. An operative union of two structures (for example, vessels, ureters, nerves).
3. An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.
[G. anastomōsis, from anastomoō, to furnish with a mouth]

anastomosis

(ə-năs′tə-mō′sĭs)
n. pl. anastomo·ses (-sēz)
1. The connection of separate parts of a branching system to form a network, as of leaf veins, blood vessels, or a river and its branches.
2. Medicine The surgical connection of separate or severed tubular hollow organs to form a continuous channel, as between two parts of the intestine.

a·nas′to·mot′ic (-mŏt′ĭk) adj.

anastomosis

Anatomy
An interconnecting aggregation of blood vessels or nerves that form a network plexus.
 
Surgery
(1) Any opening between two normally separate spaces, lumina or organs, regardless of the manner—surgical, traumatic or pathological—in which the opening was created.
(2) The surgical connection between two tubular structures (e.g., end-to-end anastomosis of the colon or rectum) after a cancerous segment has been excised, or end-to-side anastomosis of a saphenous vein during a CABG.

a·nas·to·mo·sis

, pl. anastomoses (ă-nas'tŏ-mō'sis, -mō'sēz)
1. A natural communication, direct or indirect, between two blood vessels or other tubular structures. usage note Not correctly applied to nerves.
See: communication
2. An operative union of two hollow or tubular nonneural structures.
3. An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.
[G. anastomōsis, from anastomoō, to furnish with a mouth]

anastomosis

A direct surgical connection formed between two tubular structures by stitching or a communication between an artery and a vein without intervening smaller vessels.

Anastomosis

Surgical re-connection of the ends of the bowel after removal of a portion of the bowel.

anastomosis 

A natural communication between two blood vessels or other tubular structures. Example: the long posterior ciliary artery divides into two branches as it enters the posterior part of the ciliary muscle and at its anterior end these branches anastomose with each other and with the anterior ciliary arteries to form the major arterial circle of the iris. See major arterial circle of the iris.

a·nas·to·mo·sis

, pl. anastomoses (ă-nas'tŏ-mō'sis, -mō'sēz)
1. A natural communication, direct or indirect, between two blood vessels or other nonneural tubular structures.
2. An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.
[G. anastomōsis, from anastomoō, to furnish with a mouth]