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).

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 …

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.

Dec 3, 2025 · Without the gene Poc5, male mice produced no viable sperm, pointing to a possible link to infertility

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.

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.

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.

May 14, 2025 · From the acrosome to the tail, each part of the sperm is meticulously crafted to deliver genetic material to the egg. This article offers a comprehensive exploration of sperm anatomy, …

Learn all you need to know about sperm, including what it is, how fertilization works, and how sperm motility affects male fertility in our Guide to Sperm.

Semen or seminal fluid is the mixture of sperm and the secretions of the seminal vesicles, prostate gland, and the bulbourethral glands. Over the course of a guy's life, he'll produce more than 12 trillion …