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What is A “Potential Anastomosis” seen in and explain in detail?
Arterial anastomosis is the communication between the arteries, or branches of arteries. It may be actual or potential.

Actual Arterial Anastomosis: In actual arterial anastomosis the arteries meet end to end. For example, palmar arches, plantar arch, circle of Willis, intestinal arcades, labial branches of facial arteries.
Potential Arterial Anastomosis: In potential arterial anastomosis the communication takes place between the terminal arterioles. Such communications can dilate only gradually for collateral circulation. Therefore on sudden occlusion of a main artery, the anastomosis may fail to compensate the loss. The examples are seen in the coronary arteries and the cortical branches of cerebral arteries.