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
spermatozoa查看 spermatozoa 在百度字典中的解释百度英翻中〔查看〕
spermatozoa查看 spermatozoa 在Google字典中的解释Google英翻中〔查看〕
spermatozoa查看 spermatozoa 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:


  • Sperm - Wikipedia
    Spermatozoa are produced in the seminiferous tubules of the testicles in a process called spermatogenesis Round cells called spermatogonia divide and differentiate eventually to become spermatozoa
  • Spermatozoa: Anatomy and function | Kenhub
    The term spermatozoa (singular: spermatozoon), also known as sperm, refers to the male sex cells or gametes They are formed through the process of spermatogenesis, which begins at puberty with the proliferation progenitor (stem) cells called spermatogonia
  • What Are Spermatozoa? Definition, Structure, and Function
    Spermatozoa are the specialized male reproductive cells, or gametes, designed exclusively to deliver paternal genetic material to the female egg cell (ovum) during sexual reproduction
  • Spermatozoa Meaning: Definition, Structure, and Function
    Spermatozoa, commonly known as sperm, are the mature male gametes, or sex cells, produced by animals for internal fertilization They are microscopic Their primary purpose is to carry the male parent’s genetic material to the female egg, initiating the formation of a new organism
  • Spermatozoa | definition of spermatozoa by Medical dictionary
    Spermatozoa are male GAMETES, carrying all the genetic contribution from the father and bearing either an X chromosome to produce a daughter, or a Y chromosome to produce a son
  • Sperm | Definition, Function, Life Cycle, Facts | Britannica
    sperm, male reproductive cell, produced by most animals With the exception of nematode worms, decapods (e g , crayfish), diplopods (e g , millipedes), and mites, sperm are flagellated; that is, they have a whiplike tail In higher vertebrates, especially mammals, sperm are produced in the testes
  • Sperm Cell: Structure, Parts, Diagram, and Functions
    The sperm cell, also known as the spermatozoon, is the male reproductive cell produced from the male reproductive organ It unites with the female egg cell to produce a diploid zygote The sperm cells are formed through the process of spermatogenesis in the seminiferous tubules of the testes
  • Molecular Biology of Spermatozoa - PMC
    The spermatozoon is a very special cell; it is generated in the male reproductive tract and has to travel to the female reproductive tract, of another individual, to fertilize an egg However, through this amazing journey, it has to be able to respond and adapt to dramatically changing environments
  • Spermatozoa - healthencyclopedia. org
    Spermatozoa, also known as sperm cells or spermatozoons, are the male reproductive cells found in semen These motile cells are the smallest human cells and play a crucial role in sexual reproduction by fertilizing the female egg cell, also known as the ovum
  • Spermatozoa Development - Embryology
    This page introduces spermatogenesis the development of spermatozoa, the male haploid gamete cell In humans at puberty, spermatozoa are produced by spermatogonia meiosis in the seminiferous tubules of the testis (male gonad)





中文字典-英文字典  2005-2009