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相关概念视频

Disorders of the Urinary System01:20

Disorders of the Urinary System

223
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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Ureters01:22

Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

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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

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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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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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相关实验视频

Updated: May 29, 2025

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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儿科生殖尿路瘤:发展角度

Claudia M Salgado1, Catherine K Gestrich2, Miguel Reyes-Múgica3

  • 1Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Jackson Memorial Hospital Children's Holtz, 1611 Northwest 12th Avenue, Suite 2153 A, Miami, FL 33136, USA. Electronic address: https://twitter.com/clamsalgado.

Surgical pathology clinics
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概括

儿科脏和泌尿生殖系统癌症是罕见的,这给诊断带来了挑战. 本文重点介绍了使用基因病理学,免疫类型定型和这些不常见的儿童瘤的分子数据的关键诊断特征.

关键词:
清洁细胞肉瘤是什么?生殖尿路炎症性肌纤维细胞瘤.生殖尿路拉布多米索尔科马脏的恶性形瘤.半细胞性瘤 (mesoblastic nephroma) 是一种神经瘤.儿科的囊性瘤脏尤文肉瘤是什么意思威尔姆斯瘤是一种瘤.

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科学领域:

  • 儿科瘤学 儿科瘤学
  • 腎病理學 腎病理學
  • 尿路病理学 尿路病理学

背景情况:

  • 儿科癌症比成人恶性瘤少见,大多数影响血液系和中枢神经系统.
  • 在儿童的固体额外瘤中,脏和泌尿生殖系统的病变很常见,主要是威尔姆斯瘤.
  • 其他儿科脏和泌尿生殖系统瘤的罕见性带来了重大的诊断挑战.

研究的目的:

  • 审查儿童脏和生殖尿道瘤的关键诊断信息.
  • 整合新的组织病理学,免疫类型和分子数据,以改善诊断.
  • 为应对罕见的儿童性尿道和癌所带来的诊断挑战.

主要方法:

  • 目前关于儿科脏和生殖尿道瘤的文献综述.
  • 分析诊断标准,包括组织病理学.
  • 免疫类型和分子发现的整合.

主要成果:

  • 威尔姆斯瘤和变体是最常见的儿科瘤.
  • 对于较为罕见的儿科生殖尿路和脏瘤,存在诊断挑战.
  • 组织病理学,免疫类型和分子数据对于准确的诊断至关重要.

结论:

  • 准确诊断儿科脏和生殖尿道瘤需要一个多学科的方法.
  • 新的诊断技术提高了罕见的儿科癌症的识别.
  • 了解这些罕见的瘤对于有效的儿科癌症管理至关重要.