As Erection occurs?
According to Aristotle (384-322 Messrs. to He. E). Erection of sexual member come as a result of “filling his gas wonderful space.” Some Insiders say even the history of medicine that existed sculpture, in which women with razduvshimisya crushing hard trying to give the members of their sex beloved “gas”. This is easy!
If seriously, in order to answer this question very briefly, let me explain how member arranged sexual rights.
Sexual is a member of the root, body and the head. “The main device, which makes it possible to achieve erection, are pescheristye (kavernoznye) body. The basis of normal sexual function is a member of his blood and innervatsiya. The influx of blood in the body pescheristye carried out by paired rear arteries. Arteries and nerves are located on the sides of the central rear deep vein sexual member. In the last many feel vein, a member of the sexual envelopes. Powerful muscles fix to the root of sexual member of Bone pelvis and the front abdominal wall.
Pescheristye directly in the body of arterial blood comes from the deep arteries paired sexual member, and the waste from them spiral arteries (arteries that is, small-caliber). The role of the latter in the event of a sexual and maintain elasticity member crucial, as will be discussed below.
As already mentioned, the elasticity of sexual member during erection is achieved mainly through pescheristyh tel. The latter are composed of cells formed soedinitelno-tkannymi bulkheads and smooth muscles that make up the complex three-dimensional network.
The above purely descriptive sexual anatomy member who is in a state of complete relaxation is crucial for understanding the process of erection.
As members, located in a state of relaxation small arteries flowing into the cell phone pescheristyh, spazmirovany-ie narrowed by smaller muscle fibers voltage, which is in the blood melkokalibernom each dish. It is through such a compression of the blood did not reach the pescheristye sexual body member and he unbraced. So interesting physiological phenomenon - when a member of unbraced, his inner receptacles stretched, and hence the voltage very sexually members (ie, the emergence of Mature), it’s only when the vascular relaxation and is a member of sexual filled with blood. The process of filling the blood pescheristyh member phone sex occurs in response to sexual stimulation when the parent sends impulses in the brain nerve tissue in the end sexual member. It was those nerve impulses lead to the expansion of small arteries relieve sexual member.
The second important component, which is involved in the maintenance of normal sexual hardness is a member of venous drainage system. In any other sector of the human body, this vein vessels that carry blood from the body simply ottekaet, claiming a harmful substance. In all genders members on the other, because if venous blood simply ottekala of sexual member, he would never have “stood up”. Therefore, Mother Nature invented a remarkable device that scientists have named veno-zapiratelnym mechanism. The essence of it is very simple. When the expanded blood receptacles pescheristye gears in the body and they are increasing in size, it increases in size they are positioned soft thin veins, which are located between pescheristymi elastic bodies and bruises sheathing (see figure). Thus venous outflow of sexual member “blocked”, and begins to work again only when the blood flow ceases to pescheristye body (after the cessation of sexual stimulation) sex-member relaxed.
So when a man has sexual arousal his head brain sends signals nerve endings in the tissues of sexual member. This has resulted in the blood vessels expand sexual member, sharply increasing inflow of blood, which lost Erection begins. At the same time, narrowed vessels (veins), which usually occurs through the outflow of blood from sexually member. This combination of increased flow of blood to a member of the sexual and reducing its outflow leads to full erection. When sexual stimulation stopped, the outflow of blood from happening sexual member that gets in his relaxed state.
Thus, a mechanism is provided erect three components:
Sexual stimulation and transmission of impulses in the brain nerve end sexual member
Relaxation muscle fibers in the walls of small arteries within member pescheristyh phone sex
Block venous outflow
If blood vessels and nerves involved in the development of Erectile functioning correctly, the man could not achieve erection and support it.