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紫露草雄蕊毛的结构及其特殊功能的初步探讨

PRELIMINARY STUDIES ON STRUCTURE OF STAMEN HAIRS OF TRADESCANTIA AND ITS SPECIFIC FUNCTION

  • 摘要: 紫露草雄蕊毛是由多个单细胞连接而成的,如无特殊的细胞结构,是无法抵御外界的严酷条件、行使其功能的。以扫描电镜法、透射电镜法及细胞化学染色法对紫露草雄蕊毛的结构进行了观察。构成雄蕊毛的细胞是一特化的细胞。周缘的平周壁坚厚,垂周壁薄,外覆角质与蜡质的疏水层。壁表呈条棱状突起,条棱形态依细胞部位、形状和表面积大小而别。

     

    Abstract: Each stamen hair of Tradescantia is composed of single chain of several cells.If there is not a special structure it can not withstand rigid conditions to carry out its function.SEM,TEM and cytochemical methods are used to observe the cell wall of Tradescantia stamen hairs.Cells of the stamen hair are specialized cells.The peripheral wall is covered with hydrophobic cuticle and waxy which are hard and thick.The anticlinal wall is thin.There are stripped projecting ridges on the surface of the wall.The stripped projections are different according to their parts,shapes and surface areas.

     

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