sex education for men
§ Contents 
Body Genitals Masturbation Penetration Ejaculation Problems
Anatomy of your penis (image)
The penis and scrotum are the external sexual organs of men.
- Glans
The glans is the head of the penis. The glans in uncircumcised men is usually covered by the prepuce. The glans is highly sensitive, as is the corona, the ridge of flesh that connects the glans to the shaft of the penis. - Corona
The 'crown,' a ridge of flesh demarcating where the head of the penis and the shaft join. - Frenulum, frenum
A thin strip of flesh on the underside of the penis that connects the shaft to the head. - Foreskin, prepuce
A roll of skin which covers the head of the penis in uncircumsized men. - Urethra, meatus
The opening at the tip of the penis to allow the passage of both urine and semen. - Scrotum
The scrotum is a sac that hangs behind and below the penis, and containts the testes, the male sexual glands. The scrotum's primary function is to maintain the testes at approximately 34 C, the temperature at which the testes most effectively produce sperm. - Testes, Testicles
The male sexual glands, the two testes within the scrotum produce sperm and testosterone. Within each testis is a kilometer of ducts called the seminiferous tubules, the organs which generate sperm. Each testicle produces nearly 150 million sperm every 24 hours. - Epididymis
The epididymis is a 'holding pen' where sperm produced by the seminiferous tubules mature. The sperm wait here until ejaculation or nocturnal emission. - Vas deferens
The ducts leading from the epididymis to the seminal vesicles. These are the ducts that are cut during the procedure known as vasectomy. - Seminal vesicles
The seminal vesicles produce semen, a fluid that activates and protects the sperm after it has left the penis during ejaculation - The Prostate gland
Also produces a fluid that makes up the semen. The prostate gland also squeezes shut the urethral duct to the bladder, thus preventing urine from mixing with the semen and disturbing the pH balance required by sperm. - Corpa cavernosa
The corpora cavernosa are the two spongy bodies of erectile tissue on either side of the penis which become engorged with blood from arteries in the penis, thus causing erection. - Ejaculatory Ducts
The path through the seminal glands which semen travels during ejaculation. - Cowper's Glands
The Cowper's glands secrete a small amount of pre-ejaculate fluid prior to orgasm. This fluid neutralizes the acidity within the urethra itself.
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