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Disorders of the Male Reproductive System

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 & Ejaculation

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.
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Infertility in Males

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...

Penis

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The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
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The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...

Menopause

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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 Disorders

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 10, 2026

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

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

Published on: May 30, 2025

Male sexual dysfunction.

Victor A Diaz¹, Jeremy D Close

¹Department of Family and Community Medicine, Jefferson Medical College, Thomas Jefferson University, 401 Curtis Building, 1015 Walnut Street, Philadelphia, PA 19107, USA. victor.diaz@jefferson.edu

|August 14, 2010

Summary

This summary is machine-generated.

Male sexual dysfunction, including erectile dysfunction, premature ejaculation, and low libido, is common in primary care. Effective management requires thorough history taking, physical exams, and treatments like medication or psychotherapy.

Related Experiment Videos

Last Updated: Jun 10, 2026

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

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

Published on: May 30, 2025

Area of Science:

Urology
Primary Care Medicine
Sexual Health

Background:

Male sexual dysfunction is a prevalent issue encountered in primary care settings.
Common manifestations include erectile dysfunction, premature ejaculation, and decreased libido.

Purpose of the Study:

To outline the clinical approach to diagnosing and managing male sexual dysfunction.
To emphasize the importance of comprehensive patient assessment.

Main Methods:

Review of common male sexual dysfunctions.
Emphasis on detailed sexual, social, and medical history taking.
Inclusion of physical examination in the diagnostic process.

Main Results:

Identification of erectile dysfunction, premature ejaculation, and decreased libido as the most frequent conditions.
Highlighting the necessity of clinician skill in history and examination.
Acknowledging the role of pharmacotherapy and psychotherapy in treatment.

Conclusions:

Male sexual dysfunction requires a systematic approach in primary care.
Integrated treatment strategies, including medication and psychotherapy, can reduce patient and partner morbidity.
Clinician comfort and skill are crucial for effective management.