The cause of premature ejaculation is not clear and the disease is believed to be mainly a psychological problem. To understand how premature ejaculation can be successfully treated, we need to present some facts related to ejaculation and its mechanism.
The mechanism of ejaculation is actually quite complicated and is associated with three different simultaneous events:
- release of semen from the prostate (seminal emission),
- propelling the semen out the prostate and penis (ejaculation ),
- and prevention of semen going backwards into the bladder (bladder neck closure).
In a very simple representation, the male ejaculatory mechanism consists of two reflexes: the glans-vasal and urethromuscular. Glans-vasal reflex seems to bring the semen to the posterior urethra (the emission phase of ejaculation) and then the urethromuscular reflex ejects it to the exterior (ejection phase of ejaculation).
Deeply involved in mechanism of ejaculation is the paired, striated muscles at the base of the penis called the bulbospongiosus. Once the seminal fluid reaches the bulbous urethra, the bulbocavernosus muscle contraction (BCM) compresses the urethra...
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