A Simple Guide to Male Reproductive Anatomy

Think of this as a tiny anatomy lesson for a dudeís junk. Why? Because knowledge is good, understanding basic biology is important, and you never know†who youíre going to impress by identifying where the frenulum is.

  • Penis. The male external sex organ responsible for delivering sperm. The largest one on record was 13.5 inches long and 6.25 inches in circumference. (We cannot read that without saying ďouch.Ē) That reminds us: A man of this girth might actually be too big for a comfortable†male condom fit, but a†female condom would be an option.
  • Glans. The very sensitive bulbous tip of the penis. In non-circumcised men, the foreskin mostly covers it. Slang terms: Knob. Helmut.
  • Urethra. A tube that runs through the penis to release urine and semen. Men and women both have urethras. In women itís just a couple inches long. In men, itís about eight inches long.
  • Frenulum. Where the foreskin attaches to the underside of the penis just below the glans. You can usually see where some of the frenulum remains even after circumcision. FYI: This spot is also known for being intensely sensitive.
  • Scrotum. The sack that contains the testicles, which are two ball-like glands that make sperm and hormones. Did you know that the larger a manís testicles, the more sperm heíll produce? Yep.†Itís true.

One last thing: Should you come in contact with any of†the body parts on this listóin a way that could lead to a pregnancy scareómay we suggest†a super reliable form of birth control.


Condoms 101: Find Out How Amazing Safer Sex Can Be
5 Myths About Pulling Out, Busted
In Search of the G-Spot


Magdalena J.
Past Member 3 years ago

Thank you!

Barb Hansen
Ba H3 years ago


Paul Meyer
Paul Meyer3 years ago

Like the cigarette advertisement of yore said, "It's not how long you make it, it's how you make it long".

Lone W.
Lone W3 years ago

Not a very good article. Actually, tthe size of the testicles is inversely associated with fertility. Among healthy men with testicular size within the normal range, those with smaller testicles are more fertile.

Also, what about the prostate and the seminal vesicles? THey contribute to the ejaculate? And not mentioning the brain is really a great mistake.

Jennifer H.
Jennifer H3 years ago

Great comments. Thanks for sharing...

Elena P.
Elena Poensgen3 years ago

Thank you :)

Ken W.
Ken W3 years ago


Muff-Anne York-Haley

I knew all the names except the Glans, I'm a female so I think that's pretty good!

BJ J3 years ago

Alrighty then. . .

Nils Anders Lunde
PlsNoMessage se3 years ago