title: Time periods of morphological stages in populations of differentiating micro-organisms.
mesh_terms: D001412:Bacillus subtilis / Q000166:cytology; D001419:Bacteria / Q000254:growth & development*; D002453:Cell Cycle; D002454:Cell Differentiation; D008954:Models, Biological; D012441:Saccharomyces cerevisiae / Q000166:cytology / Q000254:growth & development*; D013997:Time Factors