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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.
user
Valve of heister is seen in
assistant
The correct answer is  Ans. is 'a' i.e., Cystic ductThe mucous membrane of the cystic duct forms a series of 5-12 crescentic folds, arranged spirally to form the so called spiral valve of Heister. This is not a true valve.Also knowHamanns pouch - dilated posteromedial wall of neck of gall bladder.Sphincter choledochus - always present - terminal pa of bile ductSphincter pancreaticus - usually present - terminal pa of pancreatic ductSphincter ampullae (of Oddi) - surrounds the hepatopancreatic ampulla