Synonyms: small intestinal mucosa mucosa of organ of small intestine mucous membrane of small bowel small intestine mucous membrane mucous membrane of small intestine small bowel mucosa of organ mucosa of organ of small bowel small bowel organ mucosa organ mucosa of small intestine organ mucosa of small bowel small bowel mucosa small bowel mucous membrane small intestine mucosa of organ tunica mucosa (intestinum tenue) mucosa of small bowel small intestine organ mucosa tunica mucosa intestini tenuis small intestine mucosa