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Related Concept Videos

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...
Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
Infertility in Males01:23

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
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...
Menopause01:28

Menopause

Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
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.

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Related Experiment Video

Updated: Jun 7, 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

[Testosterone deficit syndrome and erectile dysfunction].

Manuel Gil Salom1, Jose María Martínez Jabaloyas

  • 1Hospital Universitario Doctor Peset, Valencia, España. Manuel.Gil-salom@uv.es

Archivos Espanoles De Urologia
|November 4, 2010
PubMed
Summary
This summary is machine-generated.

Low testosterone levels are linked to erectile dysfunction (ED) in men. Testosterone therapy can improve sexual desire and erections, especially when combined with PDE5 inhibitors for non-responders.

Related Experiment Videos

Last Updated: Jun 7, 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

Area of Science:

  • Endocrinology
  • Urology
  • Men's Health

Context:

  • Erectile dysfunction (ED) affects a significant portion of the male population.
  • Testosterone deficit syndrome (TDS) is increasingly recognized as a potential contributing factor to ED.
  • Diagnostic criteria for TDS remain inconsistent, impacting prevalence estimates.

Purpose:

  • To analyze the relationship between testosterone deficit syndrome (TDS) and erectile dysfunction (ED).
  • To explore the diagnostic and therapeutic implications of this relationship.
  • To evaluate the efficacy of testosterone substitution therapy in managing ED.

Summary:

  • While precise TDS diagnosis is challenging due to variable criteria, 5-15% of men with ED exhibit low testosterone.
  • Testosterone is crucial for erection physiology, and substitution therapy shows promise in improving erections and sexual desire in some men.
  • Combined therapy with testosterone and PDE5 inhibitors offers an alternative for patients unresponsive to monotherapy.

Impact:

  • Highlights the importance of systematic testosterone level assessment in men with ED.
  • Suggests testosterone therapy can improve ED symptoms and enhance PDE5 inhibitor efficacy.
  • Provides insights into optimizing treatment strategies for complex cases of ED and hypogonadism.