Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Disorders of the Urinary System01:20

Disorders of the Urinary System

1.3K
The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
1.3K
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

1.8K
The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
1.8K
The Micturition Reflex01:26

The Micturition Reflex

3.0K
Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating...
3.0K
Urinary Bladder01:23

Urinary Bladder

3.6K
The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
3.6K
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

452
Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
452
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

811
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
811

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A comparison of outcomes of urinary tract abnormalities detected by the routine second and a routine third trimester ultrasound scan.

European journal of obstetrics, gynecology, and reproductive biology·2025
Same author

Long-term outcomes of pediatric hypospadias and surgical intervention.

Pediatric health, medicine and therapeutics·2025
Same author

Endoscopic balloon dilatation of primary obstructive megaureter: An effective first line management in children.

Journal of pediatric urology·2024
Same author

Evaluation of the impact of short term manual small incision cataract surgery (MSICS) training program on trainees with varying prior surgical experience using international council of ophthalmology-ophthalmology surgical competency assessment rubrics (ICO-OSCAR).

International ophthalmology·2024
Same author

Kelly's VV-plasty for catheterising channels; first reported case series.

Journal of pediatric urology·2024
Same author

Inflammatory and neurodegenerative serum protein biomarkers increase sensitivity to detect clinical and radiographic disease activity in multiple sclerosis.

Nature communications·2024

Related Experiment Video

Updated: Feb 17, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
06:05

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection

Published on: October 12, 2017

16.2K

Dual Pathology Causing Congenital Bladder Outlet Obstruction.

Ruth Kwong1, Navroop S Johal1, Anand Upasani1

  • 1Department of Paediatric Urology, Great Ormond Street Hospital for Children NHS Trust, London, United Kingdom.

Urology
|December 12, 2017
PubMed
Summary

An uncommon congenital condition, anterior urethral syringocele, typically causes no symptoms. This case highlights a neonate with bilateral hydroureteronephrosis and renal impairment, diagnosed with urethral syringocele and posterior urethral valves.

More Related Videos

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction
06:37

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction

Published on: April 4, 2025

892
Nerve-sparing Mid-urethral Obstruction NeMO in Female Small Rodents
07:42

Nerve-sparing Mid-urethral Obstruction NeMO in Female Small Rodents

Published on: April 25, 2017

10.1K

Related Experiment Videos

Last Updated: Feb 17, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
06:05

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection

Published on: October 12, 2017

16.2K
An Immature Murine Model of Reversible Unilateral Ureteral Obstruction
06:37

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction

Published on: April 4, 2025

892
Nerve-sparing Mid-urethral Obstruction NeMO in Female Small Rodents
07:42

Nerve-sparing Mid-urethral Obstruction NeMO in Female Small Rodents

Published on: April 25, 2017

10.1K

Area of Science:

  • Pediatric Urology
  • Congenital Abnormalities
  • Neonatal Medicine

Background:

  • Anterior urethral syringocele is a rare congenital anomaly involving cystic dilation of bulbourethral gland ducts.
  • It is often asymptomatic, making diagnosis challenging.
  • Associated anomalies can significantly impact patient outcomes.

Purpose of the Study:

  • To report a rare case of anterior urethral syringocele in a neonate.
  • To emphasize the association with other significant urinary tract anomalies.
  • To highlight the importance of thorough investigation in neonates with renal impairment.

Main Methods:

  • Case presentation of a 4-day-old male neonate.
  • Diagnostic workup including imaging for bilateral antenatal hydroureteronephrosis.
  • Identification of anterior urethral syringocele and posterior urethral valves.

Main Results:

  • The neonate presented with bilateral hydroureteronephrosis and renal impairment.
  • Anterior urethral syringocele was diagnosed in conjunction with posterior urethral valves.
  • This combination presented a complex clinical scenario in a neonate.

Conclusions:

  • Anterior urethral syringocele, though uncommon, can be associated with severe congenital anomalies.
  • Neonates presenting with renal impairment and hydroureteronephrosis require comprehensive evaluation for underlying causes.
  • Early diagnosis and management of associated posterior urethral valves are crucial for improved outcomes.