human_reference_atlas has characterizing marker set has marker component CFTR PDX1 KRT19 KRT7 cell cell type (from CL) columnar/cuboidal epithelial cell simple columnar epithelial cell simple columnar epithelial cell CT Simple columnar epithelial cell columnar CL:0000146 columnar epithelial cell of exocrine pancreas Homo sapiens sequence collection exocrine pancreas large intestine anal canal ventral pancreatic duct head of pancreas common bile duct pancreas parenchyma of pancreas submucosa of anal canal gland of anal canal pancreatic lobule pancreatic duct dorsal pancreas major duodenal papilla extrapancreatic duct