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Drugs, devices, surgery, and other interventions exist to help men achieve erection and ejaculation. Although male fertility is reduced, many men with SCI can still father children, particularly with medical interventions. Women's fertility is not usually affected, although precautions must be taken for safe pregnancy and delivery. People with ...
The goal of nocturnal penile tumescence testing is to determine whether one can experience an erection while sleeping after reporting that they are unable to experience an erection while awake. On average, one has 3–5 episodes of NPT each night, and each episode lasts 30–60 minutes, although the duration is reduced with advanced age. [ 16 ]
After maximum erection is obtained, the subject’s penis subsequently becomes flaccid again (3:55). Also visible in this demonstration are the tightening of the subject’s scrotum and the elevating of his testicles during arousal. This conscious process can be compared with the same subject's unconscious nocturnal erection process.
“The penis is like the high scorer that keeps the morale up, and then you bring in the prostate and you’re like, ‘Holy shit! I didn’t know the prostate could assist!’” Play says.
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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, although erections can also be spontaneous.
Fun fact: A full bladder pushes against the sacral nerve, which causes an erection. This is why men wake up with boners (aka morning wood). Of course, peeing with a boner can get hard — pun not ...
Male_Masturbation_with_Ejaculation_Video.webm (WebM audio/video file, VP8/Vorbis, length 1 min 15 s, 720 × 480 pixels, 851 kbps overall, file size: 7.6 MB) This is a file from the Wikimedia Commons .