形成层
- 与 形成层 相关的网络例句 [注：此内容来源于网络，仅供参考]
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When the embryonic original cell divided to form multicellur proembryos, the cell wall of the external cell was thickened to form a clear cell boundary to separate from ambient cells that was a phenomenon of isolation The protoderm began to be differentiated in the period of globular embryoid, and the procambium differentiated clearly in period of torpedo embryoid.
正常的球形胚和某些畸形球形胚继续发育，在心形胚或鱼雷胚阶段又出现出畸形胚，可以分为：①无茎端生长点；②原形成层发育不正常；③外形畸形，如有的是连胚，有的呈指状，有的呈叶片状等等。畸形胚有的败育，有的能继续发育，在子叶胚阶段形成畸形的植株。
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JA transportation is likely to be through ray parenchyma cell, vessel tube and sieve tube in H.
JA在橡胶树内可快速通过韧皮部经由形成层径向运输到木质部，同时，JA能通过木质部和韧皮部进行纵向长距离双向运输。
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Our results showed that the transportation of JA from phloem to xylem occurred mainly through ray parenchyma cells and cambium regions, and that JA could be transported rapidly upwards and downwards through vessel tube and sieve tube.
3H—JA分布在筛管、次生韧皮部的薄壁细胞和射线细胞、形成层区以及导管、次生木质部的薄壁细胞和射线细胞，其中，在韧皮部和木质部的射线细胞及筛管、导管壁周围分布最多。
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The mature tuberous root accumulates a number of starch grains.
块根的次生木质部发达，导管周围存在额外形成层。
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Ground tissues The unspecialized tissues that are found in any region of the plant not occupied by the specialized tissue of vascular bundles, cambium, epidermis, etc.
基本组织：是存在于植物体任何部位的除维管束、形成层、表皮等特化组织以外的非特化组织。
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Acropetal differentiation of the cambium layer continues as the primary root elongates.
形成层的向顶分化像初生根伸长一样在继续进行。
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An assay of polar auxin transport showed that, in comparison with wild type plants, the basipetal transport activity was greatly reduced in the stem of li mutant.
形态解剖观察发现li突变体茎的形成层和韧皮部分化发育不完全，这与其生长素极性运输能力下降是一致的。
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The initiation of cambial activity may be related to the bud sprouting and the young leaf growth in shoots.
枝条上芽的展开和幼叶的生长可能决定了形成层带细胞的这种活动方式。
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A notable feature of the cells at the onset of cambial activity was the thinning of the radial walls.
细胞壁特别是径向壁的变薄是形成层细胞恢复活动的重要特征。
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More details about the ultrastructural changes of cambial cells at the onset of cambial activity have been gained.
透射电镜观察更清楚地揭示了树木形成层细胞在活动初期的分化特点。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想，是邓小平经济理论体系中的重要组成部分，是我国经济建设根本任务的一个重要方面。