Question: Where is the villi located in the small intestine?
Answer: the lumen
Disambiguated annotations:
qaPairs: question: On which mid-sectional part of the small intestine, are some villi located?
answer: jejunum
question: On which final part of the small intestine, are some villi located?
answer: ileum
question: What layer of the mucous membrane is the villi located in the small intestine?
answer: epithelium