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Erection (from the Latin "erigo", "erectum" - to straighten, lift) - an increase in the penis in the volume compared with the resting state (about three times) and the acquisition of a mechanical hardness necessary for insertion into the vagina and ensuring the sexual intercourse buy generic viagra online.

Erection and ejaculation are the most characteristic phenomena of male sexuality. In ancient times, the erection of the penis was given a symbolic meaning, which is the basis of the phallic cult.

Erection is mythologized and fetishized in many peoples. Phallus (synonyms - phall, "linga") - erect penis - was considered as a religious symbol. In ancient Greece, before the temples and houses stood the so-called herms - square columns with a male head and an erect penis, which served as an object of worship.

In many countries the phallus was deified. The high priest was honored and recognized by the childbearing organs, and when performing many religious rituals solemnly carried in honor of various deities the image of the phallus.

The Egyptians at the festival of bacchanals wore on the neck a skilfully made wooden image of the phallus, large and heavy, each in its own strengths. On the statue of the main god, the phallus was so large that it surpassed the size of his body.

In ancient Rome, young children wore phallic amulets around their necks as a means of protection from evil. Honor to bring flowers and wreaths to God Priap was given to the most respected Roman matrons, and his virgin organ was planted by virgins when they entered into marriage.

In Scandinavian countries, phallic statues were placed next to the Christian church until the XII century. A lot of images of the phallus can still be seen in the countries of Central Asia.

As GSS.Vasilchenko writes, "an erection is the most elementary, most persistent and at the same time the most vulnerable phenomenon of male sexuality". Of all the manifestations of male sexuality, an erection is formed and appears first - long before the appearance of libido (sexual desire), ejaculation and orgasm. Erection is observed in boys, even in infancy.

And at the same time, the erection is extremely sensitive to various adverse effects, including psychotraumatic. This mechanism is due to the fact that the erection is controlled by the higher nervous system, and any negative emotions can affect the ability to erect. The vulnerability of erection is due to the fact that it is a kind of symbol of masculinity, male strength and masculine dignity.

Erection is a reflex-vascular act. At the heart of the erection lies the filling of the cavernous bodies of the penis with blood. The vascular effect is enhanced by mechanical lifting of the penis.

The doctors of antiquity believed that the erection is due to the accumulation of air. The vascular nature of erection was proved 200 years ago by the Dutch anatomist and physiologist Rainier de Graaf.

Previously it was assumed that the erection is associated with stagnation of blood in the veins and the difficulty of the outflow of blood along the abducent veins of the penis.

However, Francois Frank proved that the basis of erection is the increase in the influx of arterial blood, and the slowing down of the outflow of blood through the veins plays only a supporting role. This opinion was confirmed by Legro's research. Having bandaged the veins at the root of the penis, he established that the difficulty of the outflow of venous blood causes only the swelling of the cavernous bodies of the penis, but this is not an erection yet.

Currently, this view is generally accepted - the mechanism of erection is associated with increased arterial blood flow. Therefore, attempts to bandage the penis or squeeze it from the root (for example, when attempting to rape a man by women) are ineffective for a normal sexual intercourse, if a man does not experience sexual arousal and, accordingly, there is no good inflow of arterial blood. The penis swells with blood, but it is very far from a normal erection.

The famous sexologist of the beginning of the twentieth century, L. Yakobzon writes that with erection, not only the cavernous bodies but also a part of the urethra, the seminal tubercle and the neck of the bladder are filled with blood. Because of this, with a strong erection, urination becomes impossible or extremely difficult. Subsequently, it was found that urination during erection is prevented by involuntary contraction of the internal sphincter of the bladder.

The spongy body of the urethra and the glans penis, even at the height of the erection, are less strained than the cavernous bodies of the penis itself. Thanks to this, favorable conditions are created for the passage of sperm through the urethra. The head of the penis is less dense and is like a buffer, protecting the female genitalia from traumatization.

The reflex nature of the erection was proved by Brachet, who in the experiment established that in animals with a cut spinal cord it is possible to cause both erection and ejaculation in stimulation of the penis, as well as by direct electric stimulation of the nerve.

The vasomotor nerves of the penis originate from the sacral roots, and the entire neurovascular apparatus is connected with the sacral and lumbar spinal cord. If the nerve endings of the penis are irritated, then the excitement is transmitted to 3 kinds of nerves, and this causes an expansion of the vessels of the penis.

The physiological mechanism of erection GS Vasilchenko describes this. At rest, in the absence of sexual arousal, the arteries of the penis are in a state of medium contraction. In situations that cause sexual arousal, impulses from the brain through mediated action cause the expansion of the arteries of the penis. They expand greatly, and an abundant wave of blood pours into the vascular network of the cavernous bodies, filling and stretching them. In situations unfavorable for sexual manifestations, and after the end of the sexual act, nerve impulses have the opposite effect - the arteries narrow.

Golts found that the highest authority, integrating with the help of the nerve pathways, all the "lower mechanically-reflex centers" that perform only the "black work" of rapprochement - is the brain.

When there is an erection of the penis, the man becomes able to insert him into the vagina and commit sexual intercourse. Erection is accompanied by a desire for sexual discharge, getting rid of sexual tension.

If the penis receives the necessary stimulation - about the walls of the vagina, manual (hand) or oral (mouth, partner's tongue), then the erection increases, and sexual arousal increases.

If the stimulation is suspended, then the excitement gradually weakens. At the same time, the veins of the penis widen, the outflow of blood occurs, and the erection decreases - that is, the penis decreases in volume and becomes softer.

If the stimulation is resumed, the erection is restored again. In sexual intercourse, thus, a man can arbitrarily regulate its duration - then suspending the penis's frictions in the vagina and waiting until the excitement subsides, then again resuming the penile translational motion.

Every man has the ability for such an extension (prolongation) of the sexual act to be individual. In many respects it depends on the training. Young men and young men do not yet know how to prolong sexual intercourse, they perform vigorous frictions, due to which the penis receives a strong stimulation, so sexual intercourse is short-lived. A mature man with normal potency can learn to significantly prolong sexual intercourse (for those who do not own this technique, it is described in detail in the chapter "How to prolong sexual intercourse").

A. Bova and E. Savina share erections for spontaneous and adequate. Adequate erections include penile tension in an intimate environment or when exposed to sexual stimuli. Spontaneous (spontaneous) erections occur outside the erotic situation, involuntarily (for example, during sleep, during morning awakening) and are often not accompanied by sexual arousal. If a man has good spontaneous erections, then this shows that there are no serious disorders of potency.

The speed of erection is also individual. Erection is the result of sexual arousal (the second phase of the physiological cycle of sexual reaction). Excitability in different men is different. In men with weak excitability, the erection comes slowly, they need stronger stimuli for this. In men with high excitability, an erection can come from a variety of erotic stimuli, even in situations that exclude sexual contact - the look of an unfamiliar attractive woman, erotic picture, the smell of a woman, the memories of a past sexual experience, the inadvertently seen piece of a woman's underwear, and the like.

Erections can be adversely affected by many factors. Sharp sound, voices or footsteps behind the door, a phone call, a knock at the door, a fright, an actatic remark of the partner or some elements of her behavior, distraction of the man's attention, unexpected changes in the posture, spasm in the leg or arm, external pain irritation or pain in which Or a part of the body, an idea that suddenly occurred to him, - all this can reduce the erection. Anything that can be a distracting factor, all has a negative effect on the erection.

Erection of the penis is to some extent fetishized even in our days. In fiction, the "steel", "iron" penis, "pulsating", "ready to burst" is described. Of course, this is far from the actual physiological state and is the fruit of the artistic imagination of writers. For example, Silbergeld describes an erection as follows: "One kind or touch of a woman is enough for the penis to stand up, and if a man's shirt is unbuttoned, his cock pops out ... And nothing will stop him." "Our unrealizable dreams ..." - ironically comment on this description of sexologists A. Bova and E. Savin.