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When men become sexually aroused, hormones, muscles, nerves, and blood vessels all work with one another to create an erection. Nerve signals, sent from the brain to the penis, stimulate muscles to relax. This, in turn, allows blood to flow to the tissue in the penis.
Nor is the inability to have another erection soon after an orgasm. Nearly every man occasionally has trouble getting an erection, and most partners understand that. The problem often develops gradually.
A man has erection problems if he cannot get or keep an erection that is firm enough for him to have sex. Erection problems are also called erectile dysfunction or impotence. Most men have erection problems every now and then. This is normal.
The penis contains two cylindrical, sponge-like structures corpora cavernosa. When a male becomes sexually aroused, nerve impulses increase blood flow to both cylinders. This sudden influx of blood causes an erection by expanding, straightening and stiffening the penis.
An erection clinically: penile erection or penile tumescence is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal or sexual attractionalthough erections can also be spontaneous. The shape, angle, and direction of an erection varies considerably in humans.
Back to Health A to Z. Erection problems impotence are very common, particularly in men over It's usually nothing to worry about, but you should see a GP if it keeps happening.
Erection is basically a spinal reflex that can be initiated by recruitment of penile afferents, both autonomic and somatic, and supraspinal influences from visual, olfactory, and imaginary stimuli. Several central transmitters are involved in the erectile control. The balance between contractant and relaxant factors controls the degree of contraction of the smooth muscle of the corpora cavernosa CC and determines the functional state of the penis. Neurogenic NO is considered the most important factor for relaxation of penile vessels and CC.
Erections are a perfectly normal function of the male bodyespecially in guys who are going through puberty. An erection is a hardening of the penis that occurs when sponge-like tissue inside the penis fills up with blood. Usually, an erection causes the penis to enlarge and stand away from the body.