Anatomy Of An Erection
During sexual arousal nerve messages begin to stimulate the penis. During erection the ridged band forms ridges that go all the way around about halfway down the shaft.
Impulses from the brain and local nerves cause the muscles of the corpora cavernosa to relax allowing blood to flow in and fill the open spaces.
Anatomy of an erection. There is also a network of tissues muscles arteries and veins running through the penis which allows it to fill with blood and stiffen for an erection. An erection begins with sensory and mental stimulation. There is a bit of mystery that surrounds the average erection.
As a result of sexual andor psychological stimulation impulses from the brain and nerves around the penis cause the smooth muscles to relax allowing blood to fill the corporal bodies. So basic biology an erection is a hormonal response to stimuli that creates a rapid blood flow to the penis which in turns compresses the veins resulting in the erection. The urethra the tube that urine and semen flow through runs along the underside of them in the spongy tissue of the corpus spongiosum.
Anatomy of a penis. Impulses from the brain modulate the spinal erection centers t 11 l 2 and s 2 s 4 to activate the erectile process. Two main arteries one in each of the corpora cavernosa and several veins move blood in and out.
There are five stages involved in the erection. Anatomy of the erect penis. Stage 1 filling with blood.
Psychogenic erection is a result of audiovisual stimuli or fantasy. The corpus spongiosum in the middle of the penis houses the urethra the opening at the end of the penis through which a man urinates and ejaculates. This chain reaction lets you achieve and maintain an erection.
The veins get compressed trapping blood in your penis. The blood enters faster than it can leave through the veins. Upon stimulation the arteries within the penis relax and blood flows into the penis at more than 20 times the normal rate.
Reflexogenic erection is produced by tactile stimuli to the genital organs. The reddish or purplish glans or glans penis head of the penis is smooth shiny moist and extremely sensitive. Here i have explained the anatomy of the human male reproductive system organs and that includes penis anatomy as well as anatomy of testicles scrotum urethra and vas deferens.
They have a maze of blood vessels tissue and open pockets. The key to an erection lies within the male brain through visual auditory or imagined stimuli or through manual stimulation.
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