Men's genitals is anatomically divided into external - the penis and scrotum and inner - testes, epididymis, vas way, the prostate gland, seminal vesicles. Functionally male sex organs are the organs of copulation and the reproductive system free cialis coupon. In the field of external genital organs are concentrated receptors that perceive the erogenous stimulation (erogenous zones).
The penis (penis phallus) - external male sexual organ, serving for sexual intercourse, sperm delivery (ejaculate) in a woman's vagina, and urinary excretion of urinary bladder.
There are root (base), the body (trunk) and the head of the penis. The trunk is formed by two cavernous and spongy bodies, containing a large number of recesses (gaps), which are easy to fill with blood. Sponge the body at the end of the penis ends conical thickening - the head of the penis. The edge of the head, covering the ends of the corpus cavernosum, merges with them, forming a bulge (whisk) in circumference, which is located behind the coronal sulcus. The head is covered with a thin delicate skin (foreskin) with lots of zhelёzok producing smegma.
At the head of the penis there are a large number of nerve endings, which makes it more sensitive to the touch. High sensitivity also has a trunk of the penis, especially the lower zone in the region of 2-3 cm from the head. Stimulation of the penis leading to erection enhancement. The upper portion of the head has an opening - a urethral outlet through which a urination and semen emission.
The appearance of the penis, as well as other parts of the human body, is very individual. Direct penis is rare, often the penis in repose appears straight, but curved during erection.
The dimensions of the penis of an adult male on average 5-10 cm is at rest, in a state of erection - 14-16 cm, ie, about the size of a woman's vagina. Often, when a short penis erection increases proportionately more than the long. The shape of the penis during erection and angle of individual. Erect penis length of 16-18 cm is considered to be a major, and 18-20 cm or more - a giant. The diameter of the penis, usually does not exceed 3.4 cm.
The average length of the penis at birth is between 2.4 and 5.5 cm, at the beginning of puberty - 6 cm, to achieve adult size within the following years to 17 years the penis grows actively, up to 25 years - slightly.
If sexual arousal the penis increases in volume in 2-8 times, becoming a dense enough. Maintaining an erection is provided by a decrease in venous outflow, which contribute to the reduction of specific muscles, which are located at the root of the penis. After excitation the muscles relax and blood fills the penis, easily flows off, after which it is reduced to normal size and becomes soft. The head member during erection always remains less elastic and more flexible compared to its body, which prevents the trauma of female genital mutilation.
In the front section of the body of the penis skin forms a skin fold - the foreskin, which is fully or partially covers the head. The foreskin, if it completely covers the head, usually easily slides back to expose her. On the back surface of the foreskin of the penis head is connected to the longitudinal fold, called the bridle. Between the glans and the foreskin has a slit-like (preputial) cavity is finally formed by the age of two the child. The prepuce usually accumulate smegma.
With age in the body of the penis skin become visible hair follicles, and later a small amount of hair. Sometimes the hair follicles with increased sebaceous glands are perceived by young people as "pimples".