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Updated: Jan 19, 2026

Male Sexual Response: Erection & Ejaculation
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Male Sexual Response: Erection & Ejaculation

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YouTube as a Source of Information About Premature Ejaculation Treatment

Murat Gul1, Mehmet Akif Diri2

  • 1Laboratory of Reproductive Biology, Copenhagen University, Rigshospitalet, Copenhagen, Denmark; Department of Urology, Aksaray University School of Medicine, Aksaray, Turkey.

Abstract

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Male Sexual Response: Erection & Ejaculation01:17

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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...
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Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
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