The anatomy of ejaculation – 2
Emission Phase:
Your prostate gland, that valuable walnut-sized gland a long-finger-width inside your rectum, automatically contracts and empties seminal fluid into your urethra. That’s the tube that carries semen and urine through your genital system and out the head of your penis.
Expulsion Phase:
Rhythmic wavelike soft-muscle contractions propel the semen down your urethra and out the head [...]
