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Related Concept Videos

Disorders of the Urinary System01:20

Disorders of the Urinary System

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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...
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Disorders of the Male Reproductive System01:20

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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
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Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
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Physiology of Urine Formation01:24

Physiology of Urine Formation

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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...
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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Related Experiment Video

Updated: May 25, 2025

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
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PREVALENCE AND RISK FACTORS OF UROLITHIASIS AMONG THE POPULATION OF AL-BAHA REGION, SAUDI ARABIA.

Abdulmajeed Alghamdi1, Hashim Alghamdi1, Adel Alghamdi1

  • 1Faculty of Medicine, Al-Baha University, Saudi Arabia.

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This study found a 13.6% prevalence of urolithiasis (kidney stones) in Saudi Arabia

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Area of Science:

  • Urology
  • Public Health
  • Epidemiology

Background:

  • Urolithiasis is a prevalent condition influenced by various risk factors.
  • Preventive measures are crucial for managing urolithiasis.
  • Understanding local prevalence and public knowledge is key for effective interventions.

Purpose of the Study:

  • To assess the prevalence and risk factors of urolithiasis in adults in Al-Baha, Saudi Arabia.
  • To evaluate public knowledge and attitudes regarding urolithiasis prevention and management.
  • To identify demographic and lifestyle factors associated with urolithiasis.

Main Methods:

  • A cross-sectional study utilizing electronic questionnaires distributed via social media.
  • Data collected on demographics, BMI, smoking, chronic diseases, and family history.
  • Statistical analyses (Chi-square, t-tests) performed using SPSS v.26.

Main Results:

  • Prevalence of urolithiasis was 13.6% among 633 participants; 41.1% had a family history.
  • Significant associations found between urolithiasis and age, employment status, smoking, and chronic diseases (p<0.001).
  • Knowledge about risk factors and prevention varied, with most recognizing diet and fluid intake importance.

Conclusions:

  • Urolithiasis is significantly prevalent in the Al-Baha region.
  • Age, employment, smoking, and chronic diseases are key risk factors.
  • Public education on risk factors and preventive strategies is essential.