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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Sphincter of Lutkans seen in
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The correct answer is  The mucosa of the cystic duct is arranged in spiral folds known as the valves of Heister and the wall is surrounded by a sphincteric structure called the sphincter of Lutkens.The mucous membrane contains indentations of the mucosa that sink into the muscle coat; these are the crypts of Luschka.Ref: Bailey and Love 27th edition Pg: 1188