This production shows how the gallbladder is affected by injection of cholecystokinin. Scenes of gallbladder contraction and elimination before and after injection of cholecystokinin in a dog, a human with peri-cholecystis, and a healthy human are shown. Also shown are the apparatus and method of assay and of recording rises in intra-gallbladder pressure.
Learn more about this film and search its transcript at NLM Digital Collections: http://resource.nlm.nih.gov/8600279A
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