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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.
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Accessory Glands of the Male Reproductive System

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The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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Infertility in Males

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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...

Accessory Ducts of the Male Reproductive System

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The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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Male Sexual Response: Erection & Ejaculation

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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.
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Sperm Structure and Semen Composition

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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...

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Related Experiment Video

Updated: May 14, 2025

Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation

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Seminal Vesicle Atrophy and Ejaculatory Dysfunction Secondary to Prostatic and Seminal Vesicle Abscesses.

Shinya Miyazaki¹, Takashi Ueda¹, Masashi Tsujimoto¹

¹Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, JPN.

|May 12, 2025

Summary

Seminal vesicle and prostate abscesses can cause ejaculatory dysfunction (EjD) and atrophy. This rare complication highlights the need to monitor sexual health after treating these urological infections.

Keywords:

complication ejaculatory dysfunction prostate abscess seminal vesicle abscess urogenital atrophy

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Area of Science:

Urology
Sexual Medicine

Background:

Seminal vesicle (SV) and prostatic abscesses are uncommon urological infections.
The impact of these infections on male sexual function is not well understood.

Observation:

A 56-year-old man presented with fever and dysuria, diagnosed with SV and prostate abscesses.
Conservative antibiotic treatment was initiated.
One month post-treatment, the patient developed ejaculatory dysfunction (EjD).

Findings:

Magnetic resonance imaging revealed severe atrophy of the seminal vesicles (SV).
EjD persisted despite treatments including tadalafil and testosterone replacement therapy.
This case links SV and prostate abscesses to subsequent EjD and SV atrophy.

Implications:

Highlights a potential, previously unrecognized sexual dysfunction complication of SV and prostate abscesses.
Suggests the need for increased awareness and monitoring of sexual health in patients recovering from these infections.
The etiology of SV atrophy in this context remains unclear, warranting further investigation.