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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 of spermatozoon by Medical dictionary
    The developmental stages of the germ cell are the spermatogonium, spermatocyte, spermatid, and finally spermatozoon When mature, the spermatozoa are carried in the semen
  • 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
  • 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 Cell – Definition, Structure, Functions - Biology Notes Online
    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
  • 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
  • What Is a Spermatozoan and What Is Its Function?
    Spermatozoa are continuously produced in the testes through spermatogenesis This process begins at puberty and involves the division and differentiation of progenitor cells called spermatogonia within the seminiferous tubules





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