title: CELL AGEING IN THE INTESTINAL TRACT.
mesh_terms: D000375:Aging; D000818:Animals; D003585:Cell Biology; D002470:Cell Survival; D004032:Diet; D004848:Epithelium; D007413:Intestinal Mucosa / Q000166:cytology*; D007583:Jejunum / Q000166:cytology*; D051379:Mice; D008810:Mice, Inbred C57BL