periblem

In root meristem it is also called periblem.

根生组织也称为皮层原。

Ground meristem The central region of the apical meristem from which the ground tissues of pith, cortex, medullary rays, and mesophyll differentiate. In root meristem it is also called periblem.

位于顶端生组织，髓、皮层、髓射线以及叶这些组织均是由生组织化而成。根生组织也称为皮层原。