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Related Concept Videos

Physiology of Urine Formation01:24

Physiology of Urine Formation

Urine formation is an essential function of the human body. It plays a critical role in maintaining homeostasis by regulating the volume and composition of body fluids. The kidneys, the primary organs involved in this process, filter blood to remove waste products and excess substances, ultimately producing urine.
Glomerular Filtration
The first stage in urine formation is glomerular filtration. Each kidney contains approximately 1 million nephrons, the functional units of filtration, with a...
Physiology of the Genitourinary System III: Urine Concentration and Dilution01:20

Physiology of the Genitourinary System III: Urine Concentration and Dilution

The kidneys concentrate or dilute urine to maintain water and electrolyte balance. Nephrons, particularly the loop of Henle, play a crucial role in this process through the countercurrent multiplication system. This system establishes a high osmolarity in the renal medulla, which is essential for water reabsorption. In the loop of Henle’s descending limb, water is reabsorbed into the surrounding medulla due to its permeability to water. In contrast, the ascending limb actively transports...
Introduction to Urinary System01:13

Introduction to Urinary System

The urinary system consists of two kidneys, two ureters, the urinary bladder, and the urethra.
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...
Physiology of the Genitourinary System II: Tubular Reabsorption and Secretion01:22

Physiology of the Genitourinary System II: Tubular Reabsorption and Secretion

The kidneys maintain homeostasis through filtration, reabsorption, and secretion. Tubular reabsorption and secretion are crucial in forming urine and regulating electrolytes, water balance, and waste elimination.Tubular Reabsorption and Secretion ProcessesTubular reabsorption is the process that reclaims essential substances such as electrolytes, glucose, amino acids, and water from the glomerular filtrate back into the bloodstream. This is achieved through passive and active transport...
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

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Related Experiment Video

Updated: May 19, 2026

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

Sensors for urinary system applications: Current developments and future perspectives.

Huacui Xiang1, Kun Hu2, Elizabeth Wei3

  • 1Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing, 100084, PR China.

Biosensors & Bioelectronics
|May 17, 2026
PubMed
Summary
This summary is machine-generated.

Advanced sensors offer new ways to diagnose and treat urinary diseases like chronic kidney disease and prostate cancer. These innovations promise earlier detection, continuous monitoring, and personalized medicine for better patient outcomes.

Keywords:
Early diagnosisPrecision treatmentSensorUrinary diseasesUrinary system

Related Experiment Videos

Last Updated: May 19, 2026

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

Area of Science:

  • Urology
  • Biomedical Engineering
  • Sensor Technology

Background:

  • Urinary system disorders (CKD, UTIs, prostate cancer, stones) are significant global health issues.
  • Current diagnostics and therapies lack sensitivity, real-time feedback, and temporal resolution, impeding early intervention.
  • Sensor technology advancements present opportunities for improved urinary disease management.

Purpose of the Study:

  • To review current sensor technologies for urinary applications.
  • To highlight how sensors can enhance early diagnosis, monitoring, and treatment precision.
  • To discuss challenges and future directions for intelligent urological systems.

Main Methods:

  • Review of physical sensors, biomarker detection sensors, and imaging-assisted sensors.
  • Analysis of sensor applications in early screening, continuous monitoring, and precise treatment.
  • Discussion of challenges in clinical translation and data integration.

Main Results:

  • Sensors enable early screening, continuous monitoring, and precise treatment of urinary diseases.
  • Applications include enhanced surgical navigation and personalized medication.
  • Progress is being made in developing advanced diagnostic and therapeutic tools for urological conditions.

Conclusions:

  • Sensors are transforming urology, offering improved early diagnosis, monitoring, and treatment precision.
  • Continued innovation in materials and AI-driven sensor fusion is crucial for next-generation urological systems.
  • Addressing challenges in biocompatibility and clinical translation will advance precision medicine and patient outcomes.