noun. 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.

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

noun. In zoology and anatomy, the union, intercommunication, or inosculation of vessels of any system with one another, or with vessels of another system, as the arteries, veins, and lymphatics. In surgery, after ligation of an artery, collateral circulation is established by arterial anastomosis.

noun. The interlacing or network of any branched system, as the veins of leaves or the nervures of insects' wings. See cut under venation.

noun. In surgery, the establishment of communication between two canals or two portions of the same canal, usually the digestive tract, not previously in continuity.

noun. The inosculation of vessels, or intercommunication between two or more vessels or nerves, as the cross communication between arteries or veins.

noun. a cross-connection between two blood vessels

noun. an interconnection between any two channels, passages or vessels

noun. the surgical creation of a connecting passage between blood vessels or other channels

noun. a natural or surgical joining of parts or branches of tubular structures so as to make or become continuous