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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
The Micturition Reflex01:26

The Micturition Reflex

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 urine...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...

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Related Experiment Video

Updated: Jun 13, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
05:25

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

Potential insights into lower urinary function derived from CNS imaging.

Marcus J Drake1, Cara Tannenbaum, Anthony J Kanai

  • 1Southmead Hospital, Bristol, Avon, UK.

Neurourology and Urodynamics
|May 1, 2010
PubMed
Summary
This summary is machine-generated.

Central nervous system (CNS) imaging offers new ways to study lower urinary tract (LUT) function. However, CNS imaging for LUT research is still developing and faces challenges in resolution and interpretation.

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Area of Science:

  • Neuroscience
  • Urology
  • Medical Imaging

Background:

  • Central nervous system (CNS) imaging technologies like PET and fMRI are advancing.
  • These technologies offer opportunities to understand the neural control of lower urinary tract (LUT) function.

Purpose of the Study:

  • To review current CNS knowledge regarding LUT function.
  • To discuss challenges and limitations of using CNS imaging in LUT research.
  • To identify key questions for future research in this area.

Main Methods:

  • Review of existing literature on CNS imaging and LUT function.
  • Discussion of preliminary findings from PET and fMRI studies.
  • Analysis of technological limitations (spatial/temporal resolution) and interpretation issues.

Main Results:

  • Preliminary insights into neural control of continence and its dysfunction have been gained.
  • CNS imaging can investigate age-related changes and responses to therapies like sacral neuromodulation.
  • Current application of CNS imaging for LUT function is nascent.

Conclusions:

  • CNS imaging holds promise for understanding LUT control.
  • Significant challenges in technology and interpretation must be overcome.
  • Further research is needed to fully leverage CNS imaging for LUT health and disease.