Passage: Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.

Question: Based on this passage, the terminal part of the stomach that opens into the duodenum is the?
Steam of consciousness below:
This is the relevant information: Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.
So, the answer is pylorus.