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Related Concept Videos

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...
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
Psychosexual Stages of Personality: Genital01:23

Psychosexual Stages of Personality: Genital

The genital stage is the final phase of Sigmund Freud's theory of psychosexual development, beginning at puberty, around age 12. During this stage, sexual energy shifts from self-focused interests to external individuals, marking the development of mature adult sexuality. Freud saw this phase as a time of sexual reawakening, with desires directed toward others outside the family. A healthy transition into this stage, according to Freud, signifies the emergence of two key aspects of adult...
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
Sperm Transport01:15

Sperm Transport

The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...

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[Urology].

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[Cancer and masculine sexuality].

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[Closed "penile" fractures: about two cases].

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Related Experiment Video

Updated: Jul 5, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

[Premature ejaculation: pills or sexology?].

M Wisard1, N Audette

  • 1Centre de procréation médicalement assistee, Rue de la Vigie 5, 1003 Lausanne. marc.wisard@cpma.ch

Revue Medicale Suisse
|May 15, 2008
PubMed
Summary

Premature ejaculation (PE) affects up to 30% of men, with unknown causes. Selective serotonin reuptake inhibitors (SSRIs) offer treatment but have side effects and uncertain long-term necessity.

Area of Science:

  • Urology
  • Andrology
  • Sexual Medicine

Context:

  • Premature ejaculation (PE) is a prevalent male sexual dysfunction, impacting 20-30% of the male population.
  • The etiology of PE remains multifactorial, with proposed psychological, behavioral, and biological origins.

Purpose:

  • To review the current understanding and treatment modalities for premature ejaculation (PE).
  • To evaluate the efficacy and limitations of selective serotonin reuptake inhibitors (SSRIs) in PE management.
  • To discuss alternative approaches like the sexocorporal method.

Summary:

  • Selective serotonin reuptake inhibitors (SSRIs) have emerged as a significant pharmacological intervention for PE.
  • Potential adverse effects of SSRIs necessitate careful consideration in treatment protocols.

Related Experiment Videos

Last Updated: Jul 5, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

  • Long-term efficacy and the potential for a permanent cure with SSRIs are not yet established.
  • The sexocorporal approach is an alternative, but lacks robust scientific evidence.
  • Impact:

    • Highlights the need for further research into the etiology and optimal treatment of PE.
    • Informs clinicians and patients about the benefits and risks associated with SSRI treatment for PE.
    • Underscores the current gaps in evidence for non-pharmacological PE interventions.