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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...
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...
Hormonal Regulation01:33

Hormonal Regulation

The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and lactation.
Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.

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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

[Hormonal etiology in erectile dysfunction].

José María Martínez Jabaloyas1

  • 1Hospital Clínico Universitario, Valencia, España. jabaloyas@telefonica.net

Archivos Espanoles De Urologia
|October 28, 2010
PubMed
Summary

Endocrine diseases like diabetes and hyperprolactinemia significantly impact erectile function. Managing hormonal imbalances and related conditions is crucial for improving sexual health in men.

Area of Science:

  • Endocrinology
  • Urology
  • Men's Health

Context:

  • Erectile function relies on a complex interplay of psychological, vascular, neurological, and hormonal factors.
  • Endocrine diseases are recognized as significant contributors to sexual dysfunction, with erectile dysfunction (ED) often being a presenting symptom.
  • Specific hormonal anomalies can directly impair erectile mechanisms.

Purpose:

  • To explore the impact of various endocrine disorders on erectile function.
  • To highlight the importance of hormonal evaluation in the diagnosis and management of male erectile dysfunction.
  • To review the current understanding of endocrine-related causes of ED and their treatment implications.

Summary:

  • Diabetes mellitus is a leading cause of ED due to vascular and neurological complications; blood glucose control is vital.

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

  • Hyperprolactinemia can decrease testosterone levels, leading to sexual dysfunction, treatable by normalizing prolactin.
  • Thyroid disorders (hyper- and hypothyroidism) are linked to ED, often resolving with normalized thyroid hormone levels.
  • High estradiol levels may also contribute to ED, while the roles of adrenal hormones and statins remain unclear.
  • Impact:

    • Emphasizes the necessity of assessing endocrine health in men presenting with erectile dysfunction.
    • Suggests targeted hormonal management strategies can improve outcomes for specific types of ED.
    • Underscores the multifactorial nature of diabetic ED and its potential severity.
    • Informs clinical practice regarding the diagnostic workup and therapeutic considerations for endocrine-related sexual dysfunction.