What is erectile dysfunction

The penis includes 3 chambers, two corpora cavernosa – the erectile tissues and one corpus spongium. Secretion of nitric oxide (NO) directs to sexual excitement, blood vessels widen and blood fills up the penis. This usually lasts awaiting excitement is reduced or orgasm is reached.

Penile erection is mediated by the nervous system. On stimulation causes vasodilatation and relaxation of the cavernosal (penis) smooth muscle, which ultimately leads to penile erection. Nitric oxide is released from nerve endings by activating guanylate cyclase and resulting into cGMP. which is the secondary messenger that causes smooth muscles relaxation leads to venous engorgement and penile tumescence.

Penile erection is intervened by the nervous system. On stimulus causes vasodilatation and relaxation of the cavernosal (penis) smooth muscle, which eventually directs to penile erection. Nitric oxide is freed from nerve endings by stimulating guanylate cyclase and resulting into cGMP. As a result it causes smooth muscles relaxation leads to venous enlargement and penile tumescence.

Modern study has helped to alter our view about the most widespread reasons of sexual dysfunction. For a long time it was supposed that approximately all erection failures were caused by psychological reasons such as stress, nervousness, and alarm. At the same time as these reasons can play an important role, the majority of specialists now consider the key root of impotence is physical. Simply stated, anything that gets in the way with blood flow to the sexual organs gets in the way with sexual function.

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