Answer
405.6k+ views
Hint: In mammals sphincters are muscular structures that are primarily located in the digestive system. The major functions of these structures are in preventing the backflow of contents.
Complete answer:
The Sphincter of Oddi is a muscular structure or a muscular valve that prevents the backflow of the digestive juices. It is present in the Ampulla of Vater which is a very small opening in the first part of the small intestine that is the duodenum and takes the contents to the duodenum. The sphincter of Oddi gets relaxed by a hormone known as cholecystokinin present in the vasoactive intestinal peptide.
Considering the other given options:
-The duct carries bile from the hepatic duct and releases it into the initial part of the duodenum. It is a portion of the biliary system.
-The main pancreatic duct is also known as the Duct of Wirsung. It joins the duct of the pancreas to the common bile duct. It transports the pancreatic juice.
-The common hepatic duct carries bile produced in the liver and releases the bile.
Therefore from the given options, the most appropriate answer is B, i.e., in human being sphincter of Oddi is situated in the ampulla of vater.
Note: The Sphincter of Oddi was first discovered by Ruggero Oddi, which led to the organ being named after him later. It was later examined into different mammals such as dogs.
Complete answer:
The Sphincter of Oddi is a muscular structure or a muscular valve that prevents the backflow of the digestive juices. It is present in the Ampulla of Vater which is a very small opening in the first part of the small intestine that is the duodenum and takes the contents to the duodenum. The sphincter of Oddi gets relaxed by a hormone known as cholecystokinin present in the vasoactive intestinal peptide.
![seo images](https://www.vedantu.com/question-sets/d825a09f-56ce-4e46-8038-41e7204c0aaf8058110482733318407.png)
Considering the other given options:
-The duct carries bile from the hepatic duct and releases it into the initial part of the duodenum. It is a portion of the biliary system.
-The main pancreatic duct is also known as the Duct of Wirsung. It joins the duct of the pancreas to the common bile duct. It transports the pancreatic juice.
-The common hepatic duct carries bile produced in the liver and releases the bile.
Therefore from the given options, the most appropriate answer is B, i.e., in human being sphincter of Oddi is situated in the ampulla of vater.
Note: The Sphincter of Oddi was first discovered by Ruggero Oddi, which led to the organ being named after him later. It was later examined into different mammals such as dogs.
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