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On penis for erection

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. Once the blood fills the penis and an erection is achieved, the blood vessels to the penis close off so that the erection is maintained. Following sexual arousal, the blood vessels to the penis open up again, allowing the blood to leave.
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What Are Erection Problems?

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Erection - Wikipedia

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 attraction , although erections can also be spontaneous. The shape, angle, and direction of an erection varies considerably in humans. Physiologically, erection is triggered by the parasympathetic division of the autonomic nervous system , causing nitric oxide a vasodilator levels to rise in the trabecular arteries and smooth muscle of the penis.
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Category:Flaccid and erect human penises in comparison

Understanding the physiological process of getting an erection can help you look at ED in a whole new light. Your penis has two chambers inside it called the corpora cavernosa. These chambers extend from the head of your penis deep into the pelvis. The insides of these chambers are made of spongy tissue and have the ability to gain blood volume and grow in size.
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From Wikimedia Commons, the free media repository. Reasonator Scholia Statistics. Subcategories This category has only the following subcategory. Media in category "Flaccid and erect human penises in comparison" The following files are in this category, out of total. An Erection Development.
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Video сomments (7)

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