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Related Concept Videos

Urinary Bladder01:23

Urinary Bladder

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.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
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...
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

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...
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...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Histology of the Uterus01:19

Histology of the Uterus

The uterine wall consists of three histological layers: the perimetrium, myometrium, and endometrium. The outermost perimetrium is a thin, serous membrane connected with the broad ligament on the sides, which helps anchor the uterus in the pelvic cavity. The thickest layer, myometrium, is mainly made up of smooth muscle tissue bundles. Its contractions are vital in facilitating the expulsion of the uterine lining, fetus, and placenta during menstruation and childbirth.
The endometrium is the...

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Related Experiment Video

Updated: May 28, 2026

Robotic Enucleation of Esophageal Leiomyoma
04:19

Robotic Enucleation of Esophageal Leiomyoma

Published on: February 20, 2026

Paraurethral leiomyoma.

Giacomo Perugia1, Mauro Ciccariello, Francesca Pirolli

  • 1Scienze Ginecologico-Ostetriche e Scienze Urologiche Department, Viale del Policlinico, Rome, Italy. giacomoperugia@yahoo.it

Urology
|October 22, 2011
PubMed
Summary
This summary is machine-generated.

Paraurethral leiomyoma, a rare benign tumor in women, is typically asymptomatic. This report details a case presenting with urinary symptoms like dysuria and obstructive voiding, highlighting diagnostic challenges.

Related Experiment Videos

Last Updated: May 28, 2026

Robotic Enucleation of Esophageal Leiomyoma
04:19

Robotic Enucleation of Esophageal Leiomyoma

Published on: February 20, 2026

Area of Science:

  • Gynecology
  • Urology
  • Pathology

Background:

  • Paraurethral leiomyoma is a rare, benign, hormone-dependent neoplasm of mesenchymal origin in women.
  • Clinical presentation often includes asymptomatic cases or a foreign body sensation, with urinary symptoms being uncommon.

Observation:

  • Distinguishing between urethral, paraurethral, and anterior vaginal wall leiomyomas is challenging due to close anatomical proximity.
  • This case report details a paraurethral leiomyoma presenting with dysuria, dyspareunia, and obstructive voiding symptoms.

Findings:

  • The diagnosis of paraurethral leiomyoma requires pathological confirmation to exclude sarcoma.
  • Surgical excision is the recommended treatment for paraurethral leiomyoma.

Implications:

  • This case expands the known clinical spectrum of paraurethral leiomyoma, emphasizing the importance of considering it in women with lower urinary tract symptoms.
  • Accurate diagnosis and surgical management are crucial for favorable outcomes and to rule out malignancy.