title: Correlations in differentiation of protophloem sieve elements of Allium cepa root.
mesh_terms: D002454:Cell Differentiation; D002467:Cell Nucleus; D002843:Chromatin; D004721:Endoplasmic Reticulum; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008928:Mitochondria; D063245:Plant Development; D010940:Plant Proteins / Q000032:analysis; D012270:Ribosomes
chemical_list: D002843:Chromatin; D010940:Plant Proteins