meristem

primary meristem; primary xylem.

生分生组织；生木质

In root meristem it is also called periblem.

根分生组织也称为皮层原。

The differentiation of the cells derived from the primordial meristem forms protoderm,ground meristem and adsperse procam-bium strand.

其衍生细胞分化为原表皮、基本分生组织和散生原形成层束。

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.

基本分生组织：位于顶端分生组织，髓、皮层、髓射线以及叶肉这些基本组织均是由基本分生组织分化而成。根分生组织也称为皮层原。

Applying thermotherapy, meristem culture, micropropagation and chemical preparation may provide effective ways for eliminating the pear virus diseases.

热处理、茎尖培养、微体嫁接、化学制剂处理及其合应用为梨病毒脱毒提供了有效途径；

The structure of the root apex of Pyrus betulaefolia Bunge consists of the stelar meristem,cortical cells and the root cap.

杜梨根端结构,可分成柱分生组织,皮层细胞和根冠。

The results showed that the prime symptoms of the TPD include laticifer necrosis and cambium-like meristem formation that occurs around the necrotic laticifer in the inner bark.

结果表明该病基本症状是在树皮内层发生乳管坏死和在坏死乳管周围产生形成层状分生组织。