英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
microsporangia查看　microsporangia　在百度字典中的解释百度英翻中〔查看〕
microsporangia查看　microsporangia　在Google字典中的解释Google英翻中〔查看〕
microsporangia查看　microsporangia　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Microsporangium - Wikipedia
    A microsporangium (pl microsporangia) is a sporangium that produces microspores that give rise to male gametophytes when they germinate Microsporangia occur in all vascular plants that have heterosporic life cycles, such as seed plants, spike mosses and the aquatic fern genus Azolla
  • Overview of Microsporangia - Structure, Function and Diagram
    Microsporangia are microscopic sac-like structures that produce microspores in flowering plants through microsporogenesis Within the microsporangia, diploid cells undergo meiosis, resulting in the formation of haploid microspores
  • Microsporangia - an overview | ScienceDirect Topics
    The male counterpart of ovules are the microsporangia They occur in all spermatophytes and even in some nonspermatophytes (all heterosporous plants) Microsporangia are more simple than ovules
  • Microsporangia: Structure, Function Formation Explained
    Microsporangia are structures within the anther of a flower that develop into pollen sacs They are responsible for producing microspores, which mature into pollen grains
  • Microsporangium | plant anatomy | Britannica
    Microsporangia, or pollen sacs, are borne on the lower surfaces of the microsporophylls The number of microsporangia may vary from two in many conifers to hundreds in some cycads Within the microsporangia are cells which undergo meiotic division to produce haploid microspores
  • Microsporangia and Microsporogenesis - Unacademy
    Microsporangia are sporangia that produce microspores and create male gametophytes when germination occurs The microsporangium is an important part of the gametophyte, the reproductive organ of plants, where pollen grains are formed
  • Microsporangium
    In angiosperms, microsporangia are located within the anthers of stamens, forming the pollen sacs or thecae that house diploid microspore mother cells surrounded by nutritive tapetal tissue
  • Microsporangia: Structure, Sporogenous Tissues and Pollen Grains
    Microsporangia are referred to as sporangia that produce microspores and generate male gametophytes when they germinate The microsporangium is an important component of the plant reproductive organ or gametophyte, where pollen grains form
  • Microsporangium: General Biology I Study Guide | Fiveable
    Microsporangia are typically located in pairs within the anthers of flowering plants, where they undergo meiosis to produce haploid microspores Each microsporangium can contain numerous microspores, with each eventually developing into a pollen grain that carries genetic material for fertilization





中文字典-英文字典  2005-2009