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. Author manuscript; available in PMC: 2014 Nov 5.
Published in final edited form as: Exp Eye Res. 2013 Apr 6;111:88–94. doi: 10.1016/j.exer.2013.03.020

Figure 1.

Figure 1

Procedure to change animal position (top photographs) and demonstration of the magnitude of the passive hydrostatic column effect on cephalic arterial pressure. (The Chart software used to record the experiments allows for comments to be inserted during the recording. These comments are marked with a faint line through the channels to a numbered grey box on the time bar. Comments “5” and “13” were entered just before the animal was titled to the “head-down” position, and comments “6” and “14” were entered just before the animal was returned to the supine “level” position.)