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Figure 4


Fig. 4. Changes of angles based on skeletal structures in T. wilhelma. (A,B) Rotation on baso-apical axis: (A) 4875 min, (B) 6945 min. (C,D) Rotation on lateral axis: (C) 0 min, (D) 1473 min; Experimental times in correlation to time-lapse recordings given in supplementary material Movies S2 and S3; TP, central trace point; T1/T2, marker points. {alpha}: angle between vertical image axis and line TP-T1; ß, angle between vertical image axis and line TP-T2; {gamma} internal angle between lines TP-T1 and TP-T2. Bars=5 mm. For details on measured angles refer to text and see Fig. 5 and supplementary material Movies S4 and S5.