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小孢子

  • n.microspore; microsporangium
  • 网络sporule; small spore; microspores

小孢子小孢子
英-汉网络释义

小孢子

n.

1.microspore

2.microsporangium

例句：
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In theterosporous species, a distinction is usually made between megaspore mother cells and microspore mother cells.
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Each of the spores requires a certain level of moisture and temperature to germinate on the surface.
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There is a great deal of lipid in the early stage of pollen mother cell, but there is neither amyloplastid nor protein grain showing.
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Microspore mother cells in an anther started but did not end the meiosis at the same time.
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Within the rice anther, meiosis of the pollen mother cell produces microspores, which further develop into pollen grains.
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The anthers become shriveled and fibrosed severely. The tapetum cell microspores degenerated prematurely during development.
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When the petal is longer than the calyx, the anther is greenish white or white, most of the microspore is at binucleate stage.
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However, mechanism of male sterility is very complex, which involved a set of structural and regulative genes in microspore development.
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At the stage of microspore, the tapetal cells evidently degenerated, and starches in parenchyma around vascular bundle became large.
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At microsporogenous tissue stage, the microsporangium wall could be recognized as epidermis, middle layer and tapetum from outside to inner.
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The cytokinesis of the microspore mother cells in meiosis is successive and the microspore tetrads are tetrahedral.
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The CDKG1 T-DNA insertion mutant exhibited a partial male sterile phenotype due to the abortion of postmeiotic microsporogenesis.
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microsporophylls densely arranged.
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Cytokinesis of petunia belonged to simultaneous cytokinesis, and quartet cell was tetrahedron form.
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