The parts of a sperm cell

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Reproduction is the process by which organisms make more organisms like themselves. But even though the reproductive system is essential to keeping a species alive, unlike other body systems, it's not essential to keeping an individual alive. In the human reproductive process, two kinds of sex cells, or gametes GAH-meetzare involved.

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Sperm is the male reproductive cell. In the types of sexual reproduction known as anisogamy and its subtype oogamythere is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. A uniflagellar sperm cell that is motile is referred to as a spermatozoonwhereas a non-motile sperm cell is referred to as a spermatium.

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Spermalso called spermatozoon, plural spermatozoamale reproductive cellproduced by most animals. With the exception of nematode worms, decapods e. In higher vertebrates, especially mammals, sperm are produced in the testes.

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Quiz The differentiation of the spermatids into sperm cells is called spermiogenesis. It corresponds to the final part of spermatogenesis and comprises the following individual processes that partially proceed at the same time:.

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A spermatozoon or spermatozoan pl. It is the haploid male gamete cellmeaning it is the reproductive cell containing a single set of chromosomes. A sperm fertilizes an ovum, which serves as the female haploid gamete.

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The mature sperm cell spermatozoa is 0. It consists of a head, body and tail. The head is covered by the ac cap and contains a nucleus of dense genetic material from the 23 chromosomes.

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The spermatozoa of different groups of animals exhibit great variety of form. Those of chordates, however, show a remarkable uniformity of structure. The tail consists of four components—neck, mid-piece, principal piece and end piece Phillips,

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Sperm cells are gametes sex cells that are produced in the testicular organ gonad of male human beings and animals. Like the female gamete Oocytesperm cells carry a total of 23 chromosomes that are a result of a process known as meiosis. In both animals and human beings, among many other organisms, these cells are involved in the sexual mode of reproduction which involves the interaction of male and female gametes.

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Almost all animals reproduce sexually. This means that two animals, one male and one female, come together to mate. The male's sperm fertilizes the female's egg in order to create a fertilized embryo that will grow into that animal.


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