metaxylem [,metə'zailəm]
- metaxylem的基本解释
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n.
[植]后生木质部
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It is usually found in metaxylem tracheids and vessels .
经常在木质部管胞和导管中发现。
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Basipetal differentiation is seen in the formation of proto-and metaxylem in the stem.
在茎原生木质部和次生木质部的形成过程中可以看到这种类型的分化。
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It consists of the protoxylem and metaxylem.
包括原生木质部和后生木质部。
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The period length of lignin deposition was:fiber＜stone cell＜metaxylem vessel＜ground tissue parenchyma cell.The iignin content of each kind of cell wall increased constantly accompanying with the thickness increasing of cell wall.
结合场发射和透射电镜的研究结果表明，无论初生壁还是次生壁发育阶段，CMTs排列方式的变化与CMfs沉积方向的变化具有明显的一致性。5。
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Ochikarawere studied in morphology. The results indicates that the Oochikara has lateral root primordium and lateral root, and RM109 has no those. The number of pericycle cells in protoxylem of RM109 reduces to the 77% of that of Oochikara ; the number of vessel in metaxylem increases, and the number of vessel Ⅰ is the 149% of that of Oochikara ; the number of vessel Ⅱ is the 321% of that of Oochikara ; and the vessels arrange disorderly.
ochikara的冠根组织形态进行比较，结果表明，大力品种可观察到侧根原基及侧根，而RM1 0 9均无；RM1 0 9的原生木质部间中柱鞘细胞数目减少，为大力的 77%；后生木质部导管数增加，其导管I的数量为大力的 1 4 9%，其导管Ⅱ的数量为大力的 3 2 1 %，且导管排列散乱。
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- 更多网络解释与metaxylem相关的网络解释 [注：此内容来源于网络，仅供参考]
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metaxylem：后生木质部
一、根(root)的功能(二)根系(root system)的类型分化成熟方式为:外始式(exarch),原生木质部(protoxylem)位于外方,后生木质部(metaxylem)位于内方. 分化成熟方式为:外始式,原生韧皮部(protophloem)位于外方,初生韧皮部(metaphloem)位于内方.
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metaxylem：[植]后生木质部
convoke 召集 | metaxylem [植]后生木质部 | section break [计] 分节符
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metaxylem：次生木质部
metavoltite 黄磷铁矾 | metaxylem 次生木质部 | metazeunerite 准翠砷铜铀矿
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metaxylem：晚成木质部
果实感应;花粉直感 metaxenia; metaxenic | 晚成木质部 metaxylem | 代谢阻碍 metbolic block