英语词汇“Apical Meristem”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

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单词	Apical Meristem
释义	Apical Meristem 英语例句库 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. 位于顶端分生组织的中部，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。根部分生组织也称为皮层原。原声例句 Crash Course 植物学篇 Clusters of stem cells, called apical meristems, at the tip of every stem and root continually produce the materials needed to build new body parts. 在每个茎和根的尖端，被称为根尖分生组织的干细胞群不断地产生构建新身体部位所需的材料。英语百科 Meristem A meristem is the tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place. Meristematic cells give rise to various organs of the plant and keep the plant growing. The shoot apical meristem (SAM) gives rise to organs like the leaves and flowers, while the root apical meristem (RAM) provides the meristematic cells for the future root growth. SAM and RAM cells divide rapidly and are considered indeterminate, in that they do not possess any defined end status. In that sense, the meristematic cells are frequently compared to the stem cells in animals, which have an analogous behavior and function.
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