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Related Concept Videos

Accessory Ducts of the Male Reproductive System01:25

Accessory Ducts of the Male Reproductive System

The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle.
Uterine Tubes01:16

Uterine Tubes

The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
Uterus and Cervix01:18

Uterus and Cervix

The uterus, commonly called the womb, is a vital reproductive organ in females designed to provide a nurturing environment for the implantation and growth of an embryo. It is shaped like a hollow pear and positioned between the urinary bladder and the rectum. The uterus's structure allows it to support and protect a developing fetus throughout pregnancy.
The uterus is securely anchored within the pelvic cavity by paired broad ligaments on either side. It is further stabilized by three pairs of...
Urethra01:16

Urethra

The urethra is a hollowed tubular organ through which urine is expelled from the body. This structure extends from the bladder to the external opening, allowing urine to be released.
The anatomy of the urethra differs between males and females. In females, the urethra is short, measuring about 3–4 cm in length, and opens anterior to the vaginal opening. In males, the urethra is longer and passes through the penis, serving dual purposes: expelling urine and ejaculating semen. The male urethra is...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Ureters01:22

Ureters

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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Related Experiment Video

Updated: Jun 18, 2026

Microscopic Varicocelectomy under Local Anesthesia as the Treatment of Varicocele
04:49

Microscopic Varicocelectomy under Local Anesthesia as the Treatment of Varicocele

Published on: October 25, 2024

[Varicoceles].

Mikkel Fode1, Jens Sønksen

  • 1Urologisk Afdeling, Herlev Hospital, DK-2730 Herlev, Denmark.

Ugeskrift for Laeger
|November 21, 2009
PubMed
Summary
This summary is machine-generated.

Varicoceles, affecting 15% of males, are linked to male infertility. Microsurgical varicocelectomy is the preferred treatment due to its low complication and recurrence rates.

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Last Updated: Jun 18, 2026

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Combination of High Ligation and Intraoperative Embolization Using Polidocanol for Treatment of Varicoceles

Published on: December 22, 2023

Area of Science:

  • Urology
  • Reproductive Medicine
  • Male Infertility

Context:

  • Varicoceles affect approximately 15% of the male population.
  • Despite extensive research, the etiology, pathophysiology, and optimal treatment of varicoceles remain subjects of ongoing investigation.
  • The relationship between varicoceles and male infertility lacks definitive consensus.

Purpose:

  • To review the current literature on varicoceles.
  • To elucidate the potential association between varicoceles and male infertility.
  • To discuss the multifactorial pathophysiology and effective treatment options.

Summary:

  • Literature review indicates a probable association between varicoceles and infertility.
  • The pathophysiology of varicoceles appears to be complex and multifactorial.
  • Microsurgical varicocelectomy demonstrates the lowest rates of complications and recurrence among treatment modalities.

Impact:

  • Provides clarity on the varicocele-infertility link.
  • Highlights microsurgical varicocelectomy as a safe and effective treatment.
  • Informs clinical practice and future research directions in male reproductive health.