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May 17, 2024 · Anatomy of a penis: Understand the various parts of a penis, how you get an erection, and how an ejaculation actually happens.
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 , sexual attraction or libido ...
This video tutorial covers the basic anatomy and innervation resulting in stimulation, erection, emission and ejaculation. Access my FREE Online Membership today → https://www.thenotedanatomist...
As of 2015, the average erect human penis is 13.12 cm (5.17 in) long and has a circumference of 11.66 cm (4.59 in). [2] [3] Neither age nor size of the flaccid penis accurately predicts erectile length. There are several common body modifications to the penis, including circumcision and piercings .
An 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.
During arousal, messages brought by nerves cause the blood vessels and spongy chambers to dilate (open up). More blood flows into his penis than flows out. His penis starts to swell. The erect (rigid) penis. As arousal continues, nerves keep carrying messages of arousal between the penis and brain. Blood keeps moving into the man's penis.
