In root meristem it is also called periblem.

根部分生也称为层原。

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

杜梨根端的结构,可分成中柱分生,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.

结果表明该病的基本症状是在树内层发生乳管坏死和在坏死的乳管周围产生形成层状分生。

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.

位于端分生的中部，髓、层、髓射线以及叶肉这些基本均是由基本分生分化而成。根部分生也称为层原。