While these changes are taking place the collateral arteries become enlarged, and an anastomotic circulation is established.
anastomosis a·nas·to·mo·sis (ə-nās'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.