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  1. Sperm - Wikipedia

    Sperm (: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one).

  2. Sperm: Cells, How Long It Lives, Anatomy & Function

    Jul 25, 2024 · Sperm Sperm are male sex cells with three main parts: a head, midpiece and tail. Males start to produce sperm around puberty. Your body releases tens of millions of sperm when you …

  3. Sperm | Definition, Function, Life Cycle, & Facts | Britannica

    Nov 13, 2025 · Sperm, male reproductive cell, produced by most animals. In higher vertebrates, especially mammals, sperm are produced in the testes. The sperm unites with (fertilizes) the ovum …

  4. Sperm: How Long Sperm Live, Sperm Count, and More - WebMD

    Oct 19, 2025 · Where Is Sperm Produced? Sperm are produced in the testicles. This happens within tiny tubes called seminiferous tubules. It’s an ongoing process, as the testicles make sperm nonstop.

  5. Sperm: Everything you need to know - Medical News Today

    Mar 4, 2020 · Sperm are male reproductive cells that are one-half responsible for creating life. Read on to discover some facts about sperm and male fertility.

  6. 'There's a huge amount that we don't understand': Why sperm is ... - BBC

    Jun 14, 2025 · There are huge gaps in what we know about sperm, from how they navigate to why sperm counts are tumbling. The BBC unravels why we know so little about this perplexing cell.

  7. Sperm Cell: Anatomy, Structure, Functions, Diseases

    Dec 16, 2025 · Discover how sperm cells develop, their intricate anatomy, crucial roles in reproduction, and common diseases affecting male fertility. Visual guides included.

  8. How Is Sperm Produced? - Healthline

    Jun 13, 2018 · When a man is stimulated for sexual activity, the sperm are mixed with seminal fluid — a whitish liquid produced by the seminal vesicles and the prostate gland — to form semen.

  9. Sperm: X and Y Chromosomes, Quantity, Inside Body

    Jun 3, 2024 · This article explains what sperm are, including their types and composition, their role in reproduction, and how many sperm cells are needed to achieve pregnancy.

  10. What is the sperm’s role in a successful pregnancy and the health of a ...

    4 days ago · Q: What is the sperm’s role in and contribution to pregnancy and the health of a baby? A woman’s healthy egg is only half of the equation of a successful pregnancy. For fertilization, full-term …