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The normal penile anatomy prevents different conditions and diseases leading to sexual problems and disorders. The male sex organ, penis contains two chambers – corpora cavernosa and urethra. Corpus cavernosa consists of two columns of tissue going along the length of the upper side of the penis. Naturally, blood fills corpus cavernosa and this causes an erection. The corpora cavernosa inside is a spongy tissue consisting of smooth muscles, fibrous tissues, spaces, veins, and arteries.
The urethra is the channel for urine and ejaculation. It goes along the underside of the corpora cavernosa.
Other parts of the penis are albuginea membrane which surrounds the corpora cavernosa, veins which drain blood out of the penis, glans or heads, corpus spongiosum. The glans of uncircumcised males are protected with special tissue -mucosa. The circumcised males do not have the foreskin tissue, because it is surgically ejected.
Corpus spongiosum is a tissue going along the front of the penis. It gets filled with extra blood during an erection.
Normally penis reaches its full size during the development of a young man to an adult. The penis as a male’s sexual organ performs its main sexual function and works as an organ helping urine to evacuate from the body.
A natural erection occurs when certain changes in blood flow happen in the penis and its tissues. In a sexually aroused man nerves work stimulating blood vessels in penis to expand. Extra blood gets in and stays within the penis, making the corpus cavernosa tissue hard and strong.
Physical abnormalities of the penis or injuries to the penile tissue may cause different sexual disorders including erectile dysfunction and prevent a person from having normal sexual life.

The choice of the treatment for erectile dysfunction directly depends on the cause of the problem. The treatment is usually started with the therapy of the underlying condition which contributes to the impotence in a person, in addition, lifestyle alterations are advised to enhance the general health and sexual life of a person. If there is a special need for medical treatment of erectile dysfunction doctors usually recommend using one of the PDE5 inhibitors, known as sexual agents improving man’s sexual abilities. This drug class includes most popular Viagra, Cialis, Levitra and other generic alternatives. In case a person cannot use these medications because of other conditions he may have, he may be recommended to try other methods to fight erectile problems:
• Medications inserting (placing) directly into the urethra;
• Medications injected into the penile tissue;
• Penile surgery;
• Special mechanic devices to provide extra blood flow into the penis.
Remember that it is always necessary to consult your doctor before trying any of the mentioned methods to treat ED.