Where are Paneth cells located?
['The intestinal stem cell niche comprises both epithelial cells, in particular the Paneth cell, ', 'Paneth cells have been reported in colorectal adenomas and adenocarcinomas;', ' injury to Paneth cells (PCs) in the intestinal crypts', 'resence of Paneth cells at the bottom of the crypts of Lieberkühn.', 'Paneth cells at the crypt base ', ' Paneth cells (crypt base columnar cells (CBCCs))']
['Paneth cells are located in the intestinal crypt base columnar cells (CBCCs).']
['in the intestinal crypt base columnar cells']