Your corpus spongiosum is a chamber in your penis that surrounds your
urethra
(the tube your urine and semen run through on their way out of your body). It is part of the erectile system. And, it has a surprising function when you get an erection!
When you get an erection, your corpus cavernosum (your two main erectile chambers) and your spongiosum fill up with blood and get larger and larger until your shaft is stiff and hard.
Surrounding all these erectile chambers is a very strong membrane called your tunica albuginea. This membrane is like a balloon.
When all three of these erectile chambers fill up with blood, and your tunica albuginea can not expand anymore, you have a solid hard erection.
This third chamber is much smaller than your corpus cavernosum chambers.
It's main purpose is not to create your erection, but rather, to provide support around your urethra during erection.
The corpus cavernosum provides the main size for your erection.
The spongiosum has a different purpose.
It is like a protective wall surrounding your urethra. It keeps the two main erectile chambers from crushing your urethra closed when they swell up during erection.
This is necessary so that the semen will be able to flow easily out of your penis into a vagina. Otherwise the semen could be trapped inside of your body.
That is it's entire purpose.
A bent penis, caused by Peyronies Disease, comes from an internal scar or fibrous plaque formation.
The scar(s) and or plaque causing a Peyronies bent penis is usually found on the 2 main erectile chambers of your corpus cavernosum.
Be Well.....
~ William
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