1 | The callus originated from several parts, but mainly from cambium . | |
2 | Vascular cylinder of adhesive disc turned into vascular bundles while adhesive disc enlarged, and the active stage of vascular cambium was short. | |
3 | Intra fascicular cambium ( fascicular cambium) The part of the VASCULAR CAMBIUM within the vascular between the xylem and phloem. | |
4 | Active rule of cork cambium is different in different trees, so form the many types of bark. | |
5 | The flow of food and water between the roots and leaves is accomplished by layers of cells formed by the cambium. |