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Erectile Dysfunction - Example Papers

Erectile Dysfunction

Humans usually attain this is goal through sexual intercourse or masturbation. However, sometimes the psychological and physical conditions of a person can deprive him or her from reaching that goal. Thankfully, science and anatomy have also always interested mankind. This has helped to find solutions for problems dealing with our sexuality, which, as a matter of fact are very common. The most recurrent and drastic of all these dilemmas is that of impotence. The term "impotence" has traditionally been used to signify the inability of the male to attain and maintain erection of the penis sufficient to permit satisfactory sexual intercourse. However, this use has often led to confusing and ...

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erectile dysfunction creates mental stress that affects their interactions with family and associates. All these things might be very interesting, but to fully understand erectile dysfunction we must first take a look into the physiology of the male erection. In its most common form, the male erectile response is initiated by a central nervous system event that integrates psychogenic stimuli (perception, desire, etc.) and controls the sympathetic and parasympathetic innervations of the penis. Parasympathetic input allows an erection by relaxation of trabecular smooth muscle and dilation of the helicon arteries of the penis. This fills the spongy tissue that forms the penis with blood; a process referred to as the corporal veno occlusive mechanism.
The erectile tissues must have sufficient stiffness to compress the blood vessels penetrating it so that venous outflow is blocked and sufficient tumescence and rigidity can occur. Constriction of the trabecular smooth muscle and helicon ...

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such that an erection cannot be maintained or is easily lost. Lesions of the somatic nervous pathways may impair reflexogenic erections and may interrupt tactile sensation needed to maintain psychogenic erections. Spinal cord lesions may produce varying degrees of erectile failure depending on the location and completeness of the lesions. Not only do traumatic lesions affect erectile ability, but disorders leading to peripheral neuropathy may also impair neuronal innervations of the penis or of the sensory afferents.
The endocrine system itself, particularly the production of androgens, appears to play a role in regulating sexual interest, and may also play a role in erectile ...

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PAPER DETAILS
Added: 5/8/2011 04:41:23 PM
Submitted By: james_staton
Category: Health & Medicine
Type: Premium Paper
Words: 2067
Pages: 8

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