Figure 2: Comparison of flow, vorticity and pressure fields for control and spinal transect lampreys. | Nature Communications

Figure 2: Comparison of flow, vorticity and pressure fields for control and spinal transect lampreys.

From: Suction-based propulsion as a basis for efficient animal swimming

Figure 2

(a,b) Vorticity and pressure contours, respectively, for a control lamprey at an instant in the swimming cycle. Flow streamlines are overlayed on each. (c,d) Vorticity and pressure contours, respectively, for a spinal transect lamprey at similar phase of swimming cycle as control lamprey. Note that low-pressure regions surround almost the entire body of the control lamprey (b) but are only weakly formed in the transected lamprey (d).

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