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What's In a Penis?


Whether you own one, care for one or love them, penises are an amazing piece of engineering! Not only the penis it has a sexual and reproductive function, it also lets urine out of the body, Moreover, the penis also brings intense pleasure to the beholder and it is often tied to its owner’s sense of self and identity. If you have ever wondered what is inside a penis, here is a brief explanation of its main components.


Parts of the Penis


  1. Shaft: The shaft is the body of the penis. The shaft extends from the base, where it connects to the lower abdomen, to the tip. The penis looks like a tube or a hose. All penises are different in color and size.

  2. Glans: The head of the penis is called the glans. The glans may be covered or uncovered, depending on whether or not the penis is circumcised. Usually during sexual activity and masturbation, the head of the penis is exposed even if the penis is intact (not circumcised).

  3. Prepuce: The prepuce is also known as foreskin. The sheath of skin covers the glans in an uncircumcised penis. In a circumcised penis the prepuce is surgically removed and the glans is exposed at all times. The prepuce protects the glans and urinary meatus (the end of the urethra from where the urine exits). It also provides lubrication to the glans.

  4. Corpus Cavernosum: These are two columns of spongy tissue running along the sides of the penis. These columns are full of blood vessels, which fill up with blood to create an erection.

  5. Corpus Spongiosum: The corpus spongiosum is situated in the posterior part of the shaft of the penis, under the corpus cavernosum. It is a mass of spongy tissue through which the urethra runs.

  6. Urethra: The urethra is a tube that connects the bladder to the urinary meatus (opening or outer end of the urethra) for the removal of urine from the body.

  7. Corona: The corona of the glans of the penis, also referred to as penis crown, is the circumference of the base of the glans, which marks a separation between the glans and the shaft.

  8. Frenulum: The frenulum is an elastic band of tissue under the glans that connects the foreskin to the underside of the penis, and helps contract the foreskin over the glans.


There are additional parts of the penis that are not mentioned above that also are essential for penile health. However, these main ones are the ones that you can easily see and palpate. Now you know what’s in a penis!






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