title: Origin, differentiation and renewal of the four main epithelial cell types in the mouse small intestine. V. Unitarian Theory of the origin of the four epithelial cell types.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002454:Cell Differentiation; D004847:Epithelial Cells; D004848:Epithelium / Q000502:physiology* / Q000648:ultrastructure; D007413:Intestinal Mucosa / Q000502:physiology*; D007421:Intestine, Small / Q000502:physiology; D007553:Isotope Labeling; D051379:Mice; D008854:Microscopy, Electron; D010587:Phagocytosis; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine