Fig. 8
From: Sizes and shapes of perivascular spaces surrounding murine pial arteries
Distributions of ellipse fit parameters, as defined in Fig. 4. A Radius and minor axis length. B Major axis length C ratio of minor to major axis length. D Ratio of Major axis length to vessel radius. E Ratio of minor axis length to vessel radius. F Vertical and horizonal offsets normalized by vessel radius. The PVS shape is typically narrow (\(R_{3}/R_{2} \sim 0.4\)) and elongated (\(R_{2}/R_{1} \sim 2.9\)) with the vessel slightly offset down from the PVS center