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The Micturition Reflex01:26

The Micturition Reflex

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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...
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Urinary Bladder01:23

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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.
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Urinary Tract Infection IV: Nursing Management01:17

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In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs...
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Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

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

Imaging Studies VI: Voiding Cystourethrography and Cystography

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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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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Related Experiment Video

Updated: Jul 14, 2025

Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
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Bladder training for treating overactive bladder in adults.

Satoshi Funada1,2, Takashi Yoshioka3, Yan Luo2

  • 1Department of Urology, Kyoto University Graduate School of Medicine, Kyoto, Japan.

The Cochrane Database of Systematic Reviews
|October 9, 2023
PubMed
Summary
This summary is machine-generated.

Bladder training may improve overactive bladder (OAB) symptoms compared to no treatment or anticholinergics, with fewer side effects than medications. However, evidence quality is low, necessitating further research for definitive conclusions on OAB treatment efficacy.

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Related Experiment Videos

Last Updated: Jul 14, 2025

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Area of Science:

  • Urology
  • Evidence-Based Medicine

Background:

  • Overactive bladder (OAB) is a prevalent, chronic condition impacting quality of life.
  • Bladder training is a common first-line OAB treatment, but its efficacy requires systematic evaluation.

Conclusions:

  • Bladder training shows potential benefits for OAB symptom improvement compared to no treatment and anticholinergics.
  • The current evidence base is limited by low certainty and high risk of bias across studies.
  • Further well-designed trials are crucial to establish definitive conclusions on bladder training's role in OAB management.