| 释义 |
primary meristem
primary meristemn. One of the three kinds of meristematic tissue (procambium, protoderm, and ground meristem) that are derived from an apical meristem of a vascular plant.
primary meristem
primary meristem[′prī‚mer·ē ′mer·ə‚stem] (botany) Meristem which is derived directly from embryonic tissue and which gives rise to epidermis, vascular tissue, and the cortex. primary meristem
primary meristem the MERISTEM of the plant embryo formed of an outer protoderm (giving rise to epidermis) inside which is the ground meristem (giving rise to vacuolated ground tissue) which itself surrounds the procambium at the centre (which gives rise to the vascular bundles). |