Related Experiment Video
Updated: May 19, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
Published on: October 12, 2017
Children's concepts of the urinary tract
Monika Equit1, Heike Sambach, Justine Niemczyk
1Department of Child and Adolescent Psychiatry, Saarland University Hospital, 66421 Homburg, Saar, Germany. monika.equit@uks.eu
Children’s drawings reveal misconceptions about urinary tract anatomy. Understanding these subjective concepts is crucial for effective medical care and developmental training programs.
Area of Science:
- Pediatric Urology
- Child Development
- Medical Education
Background:
- Understanding children's perceptions of their bodies is vital for effective healthcare.
- Previous research indicates varying levels of anatomical knowledge among children.
Purpose of the Study:
- To investigate children's body concepts regarding urinary tract anatomy and physiology.
- To assess how children visualize the origin of urine.
Main Methods:
- 152 children were divided into three groups: new out-patients, those who had undergone bladder/bowel training, and continent controls.
- Children were asked to draw their understanding of the urinary tract on a body silhouette.
Main Results:
- Over half of the children (52.6%) depicted a bladder and other organs, while 43% drew anatomically incorrect representations.
- Children who completed bladder and bowel training showed significantly better anatomical understanding (80% drew correct organs).
- Older children (11-16 years) were more likely to draw accurate urinary tract anatomy.
Conclusions:
- Children possess subjective and often inaccurate concepts of urinary tract anatomy and physiology.
- Healthcare providers and educators must recognize these child-centered concepts to tailor interventions and training effectively.
- Developmentally appropriate and anatomically accurate instruction is essential for improving children's understanding.
Related Concept Videos
Introduction to Urinary System
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
Anatomy of the Genitourinary System I: Kidneys and Ureters
Anatomy of the Genitourinary System II: Bladder and Urethra
Urinary Bladder
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...
Urinary Tract Infection I: Introduction
The Micturition Reflex
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 urine...

