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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Pharmacol Toxicol Methods. 2015 Apr 22;74:1–6. doi: 10.1016/j.vascn.2015.04.004

Figure 1.

Figure 1

A. Apparatus used to study transit time. In the closest collection area, there are 15 pellets, which also can be counted using the photograph (B), taken by the webcam (large arrow). The arrows point to the same blue fecal pellet. C. Blue pigmented pellets were readily discerned. Large white asterisk = box containing lights. Smaller white asterisks = light intensity measuring points.