Semen is a fluid that is released during ejaculation and contains various components, including:
1. Spermatozoa: These are the reproductive cells produced in the testes that are responsible for fertilizing the female egg.
2. Seminal fluid: This is a fluid that provides nourishment and protection to the sperm. It is produced by the seminal vesicles, prostate gland, and bulbourethral glands.
3. Fructose: Seminal fluid contains fructose, a type of sugar that provides energy to the sperm.
4. Enzymes: Semen contains enzymes, such as prostate-specific antigen (PSA), which help to liquefy the semen after ejaculation.
5. Prostaglandins: These are hormone-like substances that are involved in various physiological processes, including the contraction of smooth muscles in the female reproductive tract to aid in sperm movement.
6. Proteins: Semen contains various proteins, including albumin, globulins, and enzymes, which provide nutrients and support for the sperm.
7. Minerals and ions: Semen contains various minerals and ions, such as zinc, calcium, magnesium, and potassium, which are important for sperm function and viability.
It is important to note that the exact composition of semen can vary between individuals and may be influenced by factors such as age, health, and lifestyle.