histogen ['histəudʒən]
- histogen的基本解释
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n.
[植]组织原
- 相关中文词汇
- 组织原
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In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.
然而在根中,它还是适用的。在一些被子植物的根中,还发现了第四种组织原,即 calpytrogen ,与根冠发生有关。
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Histogen theory A theory, proposed by Hanstein, in which the apical meristem is considered to consist of three main zones, the dermatogen, periblem, and plerome, which differentiate into the epidermis, cortex, and stele respectively.
组织原学说:是由 Hanstein 提出的理论,认为顶端分生组织是由三个主要区域组成,表皮原、皮层原和中柱原,随后它们各自分化为表皮,皮层和中柱。
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This study clearly showed that mosaic variation was caused by chlorophyll deficiency mutation of shoot tip histogen layer-Ⅱ;tissue and organs originated from the layer-Ⅱ couldn't synthetize chlorophyll,thus induced albino; the albino variation appeared yellow green mosaic because layer-Ⅱ was displaced by layer-Ⅲ partly.
研究表明,其变异原因是由于茎尖分生组织的L -Ⅱ组织原层发生失绿突变,致使其衍生的组织和器官不能合成叶绿素,从而形成白化现象;又由于L -Ⅱ与L -Ⅲ组织原层层间发生部分代换,致使白化突变呈黄绿镶嵌的花斑。
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See histogen theory; primary growth.
参见 histogen theory; primary growth。
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See histogen theory; tunica-corpus theory; meristem.
参见 histogen theory; tunica-corpus theory; meristem 。
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histogen:组织原[用于植物]
histocyte 组织细胞,间质细胞 | histogen 组织原[用于植物] | histone 组蛋白
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histogen:组织原
histoenzymology 组织酶学 | histogen 组织原 | histogenesis 组织发生
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histogen:组织源
hilum 种脐(脐) | histogen 组织源 | histogen theory 组织源学说
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histogen theory:组织原学说
1.组织原学说(histogen theory) 1868年韩士汀(J.von Hanstein)提出了组织原学说. 他认为被子植物的茎端是由三个组织区(表皮、皮层、维管柱)的前身,即组织原组成的,每一组织原由一个原始细胞或一群原始细胞发生的.
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histogen theory:组织原说
"组织分化","histodifferentiation" | "组织原说","histogen theory" | "组织发生;组织发育","histogenesis;histogeny"
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