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Penile erections in a patient with nearly total absence of REM: a follow-up study

P Lavie1

  • 1Sleep Laboratory, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa.

Sleep
|June 1, 1990
PubMed

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Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...