procambium中文什么意思

n.
【植物；植物学】原形成层。adj.
-bial

• embryonic procambium:    下胚原形成层

例句与用法

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1. Procambium ( procambial strand ) the layer of cells that gives rise to the vascular tissue
   原形成层（原形成层束） ：形成维管组织的一层细胞。
2. Primary vascular tissue , which is found in all vascular plants , is formed from the procambium
   初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
3. Protophloem the first - formed primary phloem , differentiated from the procambium in the region just behind the meristem
   原生韧皮部：最早形成的初生韧皮部，由位于分生组织中的原形成层分化而来。
4. 7 - 10 days " seedlings after the seeds germinated , the meristem in the stem apex functioned to form true leaf primordium , meanwhile , the vessel elements which differentiated from parenchymatous cells of the middle and upper portion of the cnz connected with the vessel elements from procambium of epcotyl - shoot region
   种子萌发7 - 10天，幼苗的茎端分生组织活动形成真叶雏形，此时由子叶节区中、上部薄壁细胞的转分化形成的导管分子与上胚轴-苗区原形层形成的导管分子发生连接。
5. Signals were strong in the cell periphery of procambium , and longitudinal signals were stronger than lateral ones ; in root ground meristem cytoplasm , concentration in the perinuclear region was stronger than one in the cell periphery . in cell periphery of root ground meristem , distribution of actin mrna was heterogeneous , longitudinal signals were stronger than lateral ones ; in callus meristem cytoplasm , concentration in the perinuclear region was low ;
   这表明，从棉花愈伤组织薄壁细胞到鸟巢状管胞团再到正常苗的过程中肌动蛋白mrna的分布和浓度都有明显的变化，而在这里愈伤组织在分化到鸟巢状管胞团后就不再继续发育，因而推测，肌动蛋白mrna分布和浓度可能影响愈伤组织分化出正常的植株。