title: Electron microscope studies on the intestine using ruthenium red.
mesh_terms: D000818:Animals; D001706:Biopsy; D003093:Colitis, Ulcerative / Q000473:pathology; D003110:Colonic Neoplasms / Q000473:pathology; D004396:Coloring Agents; D006168:Guinea Pigs; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D007422:Intestines / Q000473:pathology*; D008247:Lysosomes; D008264:Macrophages; D051379:Mice; D008854:Microscopy, Electron; D011127:Polyps / Q000473:pathology; D011817:Rabbits; D051381:Rats; D012004:Rectal Neoplasms / Q000473:pathology; D012428:Ruthenium; D013194:Staining and Labeling; D008061:Whipple Disease / Q000473:pathology
chemical_list: D004396:Coloring Agents; D012428:Ruthenium