Anastomosis

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anastomosis

[ə‚nas·tə′mō·səs]
(medicine)
A surgical communication made between blood vessels, for example, between the portal vein and the inferior vena cava.
An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.
(science and technology)
The union or intercommunication of parts or branches, such as blood vessels, streams, or leaf veins. Also known as inosculation.
A network of parts or branches created by the process of anastomosis.

Anastomosis

 

in animals, connections between nerves, muscles, and blood or lymphatic vessels. Anastomoses between arteries and veins, without the formation of capillary networks—that is, arteriovenous anastomoses—are of importance in regulating the blood supply of organs. In clinical practice, anastomosis is the name given to a connection between tubular organs which is artificial or has arisen as a consequence of disease. In higher plants, anastomosis is the connecting of tubular structures—for example, veins in leaves and branchings of latex vessels. In fungi, anastomosis is the connecting or concresence of two mycelium hyphae with the establishing of intercommunication between them. This occurs with an insufficiency of food and plays a role in the formation of diploid mycelium and the heterokaryon of haploid mycelium, since the cell nuclei move from one cell into another through the anastomoses.

References in periodicals archive ?
Of the 36 procedures, tension-free end-to-end anastomosis with urethral mobilization was performed in 33 cases.
2) When evaluating an end-to-end anastomosis, Doppler evaluation of venous velocities and waveforms should include both supra-and infrahepatic anastomoses.
In this report, annuloplasty of the inferior pulmonary vein with a cuff technique using an orifice of the superior pulmonary vein allowed for much easier performance of end-to-end anastomosis, leading to successful reconstruction without a patch or prosthesis.
Cricoid and tracheal ring fractures resulting in symptomatic tracheal stenosis are complicated to treat, usually requiring resection and end-to-end anastomosis or anterior augmentation grafting using auricular or costal cartilage.
A tracheal resection with a primary end-to-end anastomosis was performed.
Since a Y-shaped graft was not available, it was necessary to perform an end-to-end anastomosis between the graft and the right common iliac artery.
He subsequently had a sigmoid colectomy and end-to-end anastomosis as a one-stage procedure after adequate preparation.
In general, tracheal lesions are more amenable to resection with end-to-end anastomosis, while laryngeal lesions are more amenable to laryngoplasty.
When the doctor explained the procedure, Alan said: "Oh, you're going to do an end-to-end anastomosis.
Tested in 5 patients undergoing orthotopic liver transplantation, the technique involves an end-to-end anastomosis of the donor portal vein to the left renal vein without dismantling the DSRS.

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