title: Development of chloroplast substructures with apparent secretory roles in the young tobacco leaf.
mesh_terms: D002736:Chloroplasts / Q000502:physiology*; D003593:Cytoplasm; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008928:Mitochondria; D010947:Plants, Toxic; D014026:Nicotiana / Q000166:cytology* / Q000254:growth & development