Viagra
Erectile dysfunction, or male impotence, occurs when sexual motivation or arousal does not effect in sufficient blood flow to the penis. For most men there is a physical or medical reason for this, but for others the problem may be psychological
The penis has three bodies containing a dense network of blood vessels along all its length. During erection blood is filled into the vessels of these bodies. The bodies then engorge, make the penis hard and rise it up. The filling of these bodies occur when the vessels leading blood to the penis relax and vessels draining the penis constrict their volume.
Before and during erection nerves lead impulses to the genitals. The nerve ends in this area then releases the substance nitrogen oxide. Nitrogen oxide will diffuse through the genital area and the penis and stimulate the reaction of the blood vessels in the penis.
Viagra is very effectual at treating erectile dysfunction. The medication works by blocking a chemical that causes blood to flow out of the penis. More blood in the penis means an improved erection.Viagra is available in tablets, capsules form taken by mouth. This makes it more convenient and less messy than creams, which sometimes cause very strong.
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This entry was posted
on Thursday, October 9th, 2008 at 8:36 am
and is filed under Health + More, Universe Of Medicine.
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