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November 1997

Surgical Anatomy

Arch Surg. 1997;132(11):1176. doi:10.1001/archsurg.1997.01430350026004

What are the valves of Heister?

The spiral folds of mucous membrane in the wall of the cystic duct; their function is believed to be one of preventing sudden distention of the cystic duct when the pressure in the gallbladder or cystic duct rises.

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