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A. Intracerebral arterioles response to intraluminal pressure in the absence of flow (n=8).
B, The change in diameter of intracerebral arterioles as a function of intraluminal flow rate at constant intravascular pressure of 60 mm Hg (n=12). Values are mean ± SEM. *P<.05, #P<.01 vs diameter at pressure of 20 mm Hg (left) or at flow of 0 μL/min (right), respectively (Ngai and Winn, 1995; used with permission)
