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spermatozoon    
n. 精虫,精子

精虫,精子

spermatozoon
n 1: the male reproductive cell; the male gamete; "a sperm is
mostly a nucleus surrounded by little other cellular
material" [synonym: {sperm}, {sperm cell}, {spermatozoon},
{spermatozoan}]

Spermatozoid \Sper`ma*to*zo"id\, n. [Spermatozoon Gr. e'i^dos
form.] (Biol.)
The male germ cell in animals and plants, the essential
element in fertilization; a microscopic animalcule-like
particle, usually provided with one or more cilia by which it
is capable of active motion. In animals, the familiar type is
that of a small, more or less ovoid head, with a delicate
threadlike cilium, or tail. Called also {spermatozoon}. In
plants the more usual term is {antherozoid}.
[1913 Webster]


Spermatozoon \Sper`ma*to*zo"on\, n.; pl. {Spermatozoa}. [NL.,
fr. Gr. ???, sperm zo^,on an animal.] (Biol.)
Same as {Spermatozoid}.
[1913 Webster]


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  • Sperm - Wikipedia
    The spermatozoon is characterized by a minimum of cytoplasm and the most densely packed DNA known in eukaryotes Compared to mitotic chromosomes in somatic cells, sperm DNA is at least sixfold more highly condensed
  • 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
  • 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
  • SPERMATOZOON Definition Meaning - Merriam-Webster
    The meaning of SPERMATOZOON is a motile male gamete of an animal usually with rounded or elongated head and a long posterior flagellum
  • Human Spermatozoa: Structure, Function, and Role in Reproduction
    The human spermatozoon represents one of the most specialized cells in the human body, exquisitely designed for a single purpose: to deliver paternal genetic material to the female ovum for fertilization
  • Sperm | Definition, Function, Life Cycle, Facts | Britannica
    The sex of a child is determined at the time of fertilization of the ovum by the spermatozoon The differences between a male and a female are genetically determined by the chromosomes that each possesses in the nuclei of the cells
  • 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
  • Sperm Cell – Definition, Structure, Functions
    It is a haploid cell containing half the number of chromosomes and is designed to fertilize a female egg cell, leading to the formation of a diploid zygote Sperm cells are motile, characterized by a flagellum, which enables movement towards the egg during fertilization
  • Spermatozoon
    A spermatozoon or spermatozoan (pl spermatozoa), from the ancient Greek σπέρμα (seed) and ζῷον (living being) and more commonly known as a sperm cell, is the haploid cell that is the male gamete





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