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Multiple Choice
What is the name of the sphincter that separates the small intestine from the large intestine?
A
Anal sphincter
B
Lower esophageal sphincter
C
Pyloric sphincter
D
Ileocecal sphincter
Verified step by step guidance
1
Step 1: Understand the anatomy of the digestive system. The digestive system is divided into several sections, including the small intestine and the large intestine, which are connected by a sphincter.
Step 2: Learn the function of sphincters in the digestive system. Sphincters are circular muscles that regulate the passage of food and waste between different sections of the digestive tract.
Step 3: Identify the sphincter located between the small intestine and the large intestine. This sphincter is responsible for controlling the flow of chyme (partially digested food) from the ileum (the last part of the small intestine) into the cecum (the first part of the large intestine).
Step 4: Recall the name of this specific sphincter. It is called the ileocecal sphincter or ileocecal valve, which ensures one-way movement and prevents backflow from the large intestine into the small intestine.
Step 5: Compare the other options provided in the question. The anal sphincter is located at the end of the digestive tract, the lower esophageal sphincter is between the esophagus and stomach, and the pyloric sphincter is between the stomach and the small intestine. None of these are located between the small and large intestines.