Erection - Wikipedia
WEBAn 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, sexual attraction or libido, although ...
How Erections Work, Ejaculation, and Penis Anatomy Image - WebMD
WEBMay 2, 2023 · What Is an Erection? An erection starts in your brain. Something you saw, felt, smelled, heard, or thought makes your nerves send chemical messages to the blood vessels in your penis. The...
Penile Erection: Function, Duration & How It Works
WEBAn erection is when your penis becomes hard and enlarged from an increase in blood flow. This increase in blood flow makes your penis stand up and away from your body (erect). Sexual stimulation or excitement is the typical cause of an erection. But people can get random or spontaneous erections.
Human penis - Wikipedia
WEBAn erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations. Spontaneous erections frequently occur during adolescence due to friction with clothing, a full bladder or large intestine, hormone fluctuations, nervousness, and undressing in a nonsexual situation.
12 Surprising Facts About Erections - Healthline
WEBJan 26, 2022 · 1. People with penises may have 3-5 erections per night. A person with a penis typically has 3-5 erections per night during rapid eye movement (REM) sleep. It’s not completely understood why...
Erectile dysfunction - Symptoms and causes - Mayo Clinic
WEBMar 29, 2022 · Erectile dysfunction (impotence) is the inability to get and keep an erection firm enough for sex. Having erection trouble from time to time isn't necessarily a cause for concern. If erectile dysfunction is an ongoing issue, however, it can cause stress, affect your self-confidence and contribute to relationship problems.
How long can the average person stay erect? - Medical News Today
WEBJan 3, 2023 · An erection occurs when the blood flow to the penis increases, causing it to change shape and size. There are three stages to an erection: Soft or flaccid penis: This is the penis’s...
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