Hyperspermia is a rare condition characterized by excessive semen production. Less than 4% of men in one study met hyperspermia criteria. Normal semen volume ranges from 2 to 5 milliliters
Sperm are male reproductive cells containing 23 chromosomes. Sperm head carries genetic information, middle contains mitochondria. Tail propels sperm through female reproductive system. Semen carries sperm from testicles to fallopian tubes
Healthy semen appears off-white or slightly yellow. It has a gel-like consistency similar to raw egg whites. Semen typically smells like ammonia or bleach. Normal semen volume ranges from 1.5 to 5 milliliters per ejaculation
Male infertility affects approximately 7% of all men worldwide. Sperm quality declines significantly with age, especially after 36. Antisperm antibodies affect 10-30% of infertile couples. Chromosomal anomalies and genetic mutations cause 10-15% of cases
Horse penis is fibroelastic, spiral-shaped with elongated mobile prepuce. Penis extends during copulation, prepuce protects it when not in use. Blood vessels and nerves facilitate successful mating
Virility refers to positive masculine characteristics viewed as strong and healthy. Beard growth was historically seen as signs of virility in ancient civilizations