453467.fig.004a
(a)
453467.fig.004b
(b)
453467.fig.004c
(c)
Figure 4: (a) Thin horizontal (left) and thin vertical (right) elliptical vessels. The sphincter region in black is shown. Incoming flows induced outside that region are also shown. (b, c) Plot of the velocity (vertical axis) against (horizontal axis) at time (b) for initial conditions , and at time (c). They look similar but on different scales.