You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The Sphincter of Oddi consists of: and explain in detail?
The Sphincter of Oddi is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second pa of the duodenum. It is 10 - 15 mm in length, situated within muscular layer of media in the duodenum.It consists of sphincters at 3 levels: 1. Sphincter choledochus: covers the distal end of intraduodenal pa pa of common bile duct before it joins with the pancreatic duct of Wirsung. 2. Sphincter pancreaticus: located at the distal end of pancreatic duct. 3. Ampullary sphincter: covers the distal end of both the ducts after they unite to form a single common channel that opens into the duodenal lumen at an elevation called Ampulla of Vater.