title: The endocrine cells in the human colon and rectum. An electron microscope study of biopsy materials.
mesh_terms: D000328:Adult; D000368:Aged; D003106:Colon / Q000166:cytology*; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012007:Rectum / Q000166:cytology*