Människostemon

Människostemon, also known as human semen or seminal fluid, is a complex biological fluid produced by males as part of the reproductive system. It plays a crucial role in fertilization by transporting sperm from the testes to the female reproductive tract. Semen is typically expelled during ejaculation and consists of several components, including sperm cells, seminal plasma, and various enzymes, proteins, and other substances.

The primary function of semen is to facilitate the transport and nourishment of sperm. Seminal plasma, which makes up the majority of semen volume, is produced by accessory glands such as the seminal vesicles, prostate gland, and bulbourethral glands. These glands contribute fluids rich in nutrients, such as fructose, prostaglandins, and coagulation factors, which support sperm motility and viability. The prostate gland also adds an alkaline component that helps neutralize the acidic environment of the female reproductive tract, thereby enhancing sperm survival.

The composition of semen can vary among individuals due to factors like age, health, diet, and lifestyle. On average, a healthy adult male produces between 2 to 5 milliliters of semen per ejaculation, containing roughly 20 to 150 million sperm per milliliter. While semen is primarily associated with reproduction, it also contains trace amounts of other substances, including hormones, antibodies, and antimicrobial agents.

From a medical perspective, semen analysis is often used to evaluate male fertility. Parameters such as sperm count, motility, and morphology are assessed to determine potential issues affecting reproductive health. Additionally, semen can be studied for diagnostic purposes in cases of infections, hormonal imbalances, or other underlying conditions affecting the male reproductive system. Proper hygiene and safe handling practices are important when dealing with semen, particularly in clinical or laboratory settings.