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This helps to trigger an erection. The nerves of the inner and outer foreskin contribute to the experience of penile stimulation, up to and including orgasm. These receptors are stimulated by stretching, or when the foreskin rolls over the surface of the glans during intercourse or masturbation.
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The penile erectile tissue, specifically the cavernous smooth musculature and the smooth muscles of the arteriolar and arterial walls, plays a key role in ...
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Protection ; Makes sex feel better ; Lubricates during intercourse ; Lubricates during masturbation ; Reduces the drop insensitivity through age ; Allows the erection to grow ; Increases sensitivity slowing intercourse ... For more pictures like these see Penile anatomy - Intact vs. Circumcised from Chymmylt's...
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Erection - Wikipedia, the free encyclopedia
Penile erection is a physiological phenomenon where the penis becomes enlarged and firm. Penile erection is the result of a complex interaction of psychological, neural, vascular and endocrine factor...
en.wikipedia.org/wiki/Erection |
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The drugs used are able to substitute, partially or completely, the malfunctioning endogenous mechanisms that control penile erection. ...
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As it elongates, the double fold of skin (foreskin) provides the skin necessary for full expansion of the penile shaft. But microscopic examination reveals that the foreskin is more than just penile skin necessary for a natural erection;
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Nitric oxide (NO) activity is adversely affected, in penile and vascular tissue, by these risk factors. It is therefore not surprising that a defect in NO activity is thought to play a role in the pathogenesis of both erectile dysfunction and ischaemic heart disease.
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Penile erection is a haemodynamic process, involving increased arterial inflow and restricted venous outflow, coordinated with corpus cavernosum smooth muscle relaxation [1]. Although this process is generally accepted to be under neuroregulatory control [1–13], biochemical mediators released locally from...
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Physiology of Penile Erection ... ; NEUROANATOMY AND NEUROPHYSIOLOGY OF PENILE ERECTION ... ; PHARMACOLOGY OF PENILE ERECTION...
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In the science of NO related to penile erection, primary attention has thus far been given to the neuronal source of NO, whereas the endothelial source has been relegated to secondary importance as an auxiliary basis for producing NO for erectile function.
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