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Women, however, can achieve orgasm almost immediately after having orgasmed once. Author information Copyright and License information Disclaimer. These psychogenic erections do not occur in patients with lesions above T9 11suggesting that the main mechanism for these erections is central suppression of sympathetic stimulation Stimulation of the hypothalamus initiates the urethrogenital reflex in male rats. Nitric oxide has an inhibitory role on the ejaculation process 1. Erectile function, male sexual function, ejaculation, orgasm. Brain activation during human ejaculation.

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Some of the molecules that received special attention for their role in ejaculation are mentioned later.

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Lower levels of androgen are associated with weaker orgasms, such as in hypogonadism or in older age Autonomic Control Parasympathetic stimulation is the main mediator for penile tumescence, although central suppression of the sympathetic nervous system also plays a role. Of the 50 men who said things got better, half 26 said their orgasm function returned to normal. Anatomical interrelationships of the medial preoptic area and other brain regions activated following male sexual behavior: Sexual function in spinal cord injury men. Erection and ejaculation in man—assessment of the electromyographic activity of the bulbocavernosus and ischiocavernosus muscles. Group 4 Created with Sketch.

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