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 ?
The gastro-jejunostomy is usually an end-to-side anastomosis, resulting in a blind jejunal stump, with a small stomal diameter ranging from 8 to 12 mm to provide gastric restriction.
End-to-side anastomosis of superficial temporal artery to middle cerebral artery branch in the dog.
Transplants obtained from living donors often involve an end-to-side anastomosis of the donor renal artery to the recipient external iliac artery or an end-to-end anastomosis of the donor renal artery to the recipient internal iliac artery.
Histological and functional results of end-to-side anastomosis in peripheral nerve in the rat, with and without an epineural window.
in the early 90's revived the technique in the experimental field and even though he reported end-to-side anastomosis with and without epineural windows in the rat (6,7), histological and functional evidence with regard to the supposed barrier effect by the epineurum when a window is not performed continue till this date to be matters of debate (5,8).
To address this issues the current study is one that endeavors in answering if there truly is a histological and functional difference, when the end-to-side anastomosis is performed with or without an epineural window.
Both LRT and LNRT procedures often involve an end-to-side anastomosis of the donor renal artery to the recipient external iliac artery or an end-to-end anastomosis of the donor renal artery to the recipient internal iliac artery.

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