As part of the Pharmacy textbook: Basic Pharmacokinetics and Pharmacodynamics. An Integrated Textbook and Computer Simulations, Second Edition, a short video is provided by Werner Weitschies (Department of Biopharmaceutics, University of Greifswald, Greifswald, Germany).
A magnetically tagged capsule is shown emptying from the stomach and travel through the duodenum and into the jejunum. The capsule is depicted in the upper right corner of this slide, with a triangle pointing to magnetic North. The figure of the gastro-intestinal tract in the left panel shows the approximate configuration of the stomach and duodenum in this subject. When you click on the red dot in the middle of the slide to activate this video, the capsule tumbles in the stomach before it makes an abrupt exit left into the duodenum, and then traverses the entire 10 cm length of the duodenum left to right in about 8 seconds. As the capsule then begins to loop, it has entered the jejunum. Please note that the real-time counter (in minutes) runs in the background during the video.

Access video here.
Access video here.
duodenum_real_time(capsule)
duodenum_real_time(capsule).mov
QuickTime video format [1.0 MB]
Access video here.
duodenum_real_time(capsule)
duodenum_real_time(capsule).avi
Video file [1'022.9 KB]

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