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:



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:


  • Archegonium - Wikipedia
    An archegonium (pl : archegonia), from the Ancient Greek ἀρχή ("beginning") and γόνος ("offspring"), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete
  • Archegonium | Female Gametophyte, Embryo Sac, Antipodal Cells | Britannica
    archegonium, the female reproductive organ in ferns and mosses An archegonium also occurs in some gymnosperms, e g , cycads and conifers A flask-shaped structure, it consists of a neck, with one or more layers of cells, and a swollen base—the venter—which contains the egg
  • Archegonium - GeeksforGeeks
    Archegonia are the female reproductive structures found in certain groups of plants, including bryophytes (mosses and liverworts), ferns, and some gymnosperms These structures are essential in the sexual reproduction of these plants, as they hold the egg cells and facilitate fertilization
  • Archegonium - an overview | ScienceDirect Topics
    The archegonium represents one of the key evolutionary innovations for sexual reproduction in land plants This structure expressed on female plants provides protection and nourishment for the egg and developing embryo
  • Archegonium - Structure Defination - Careers360
    Archegonium is the female reproductive organ in non-flowering plants like bryophytes, pteridophytes, and gymnosperms It is flask-shaped, multicellular, and contains a single egg cell where fertilisation takes place
  • Archegonium Antheridium | Definition, Structure Function
    The archegonium is a female reproductive organ present in non-flowering plants like mosses, liverworts, ferns, and conifers The plural term for archegonium is archegonia
  • Archegonium: Definition, Structure, Function Examples - Vedantu
    The flask-like female sex structure, found in several ferns, mosses, and some bryophytes, is known as archegonium Marchantia lacks archegonium, even though it is a bryophyte The plants that reproduce using archegonia are called archegoniate A single plant contains more than one archegonium
  • Archegonium Definition - General Biology I Key Term | Fiveable
    An archegonium is the female reproductive organ in non-vascular plants, ferns, and some gymnosperms It produces and contains the egg cell and is typically flask-shaped with a neck that facilitates sperm entry
  • Archegonium
    The archegonium (plural: archegonia) is a multicellular, flask-shaped female reproductive organ present in the gametophyte generation of bryophytes (such as mosses, liverworts, and hornworts), pteridophytes (such as ferns and their allies), and gymnosperms





中文字典-英文字典  2005-2009