Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Testes: Gross Anatomy01:19

Testes: Gross Anatomy

7.7K
The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
7.7K
Testes: Histology01:27

Testes: Histology

3.5K
A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...
3.5K
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

5.4K
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....
5.4K
Accessory Ducts of the Male Reproductive System01:25

Accessory Ducts of the Male Reproductive System

3.8K
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....
3.8K
Accessory Glands of the Male Reproductive System01:16

Accessory Glands of the Male Reproductive System

4.4K
The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, 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. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...
4.4K
Penis01:29

Penis

35.3K
The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
35.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same authorSame journal

The New Impact Factor of International Brazilian Journal of Urology Is 4.3.

International braz j urol : official journal of the Brazilian Society of Urology·2026
Same authorSame journal

Editorial Comment: Female Urethroplasty: A Critical Review of Indications, Techniques and Concerns.

International braz j urol : official journal of the Brazilian Society of Urology·2026
Same author

Standardizing terminology and management of testicular developmental disorders: A comprehensive review and international expert consensus.

Journal of pediatric urology·2026
Same author

Anencephaly Defects Do Not Alter Macroscopic Development of the Ureterovesical Junction in Human Fetuses.

International braz j urol : official journal of the Brazilian Society of Urology·2026
Same author

Clitoris Anatomy Applied to Aesthetic, Reconstructive and Transgender Surgery: A Narrative Review.

International braz j urol : official journal of the Brazilian Society of Urology·2026
Same author

Penile Urethral Stricture After Radical Prostatectomy - Use of Aldehyde-Free Bovine Pericardium Graft.

International braz j urol : official journal of the Brazilian Society of Urology·2026

Related Experiment Video

Updated: Mar 15, 2026

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration
07:21

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration

Published on: February 10, 2023

3.2K

Do retractile testes have anatomical anomalies?

Kleber M Anderson1, Suelen F Costa1, Francisco J B Sampaio1

  • 1Unidade de Pesquisa Urogenital, Universidade Estadual do Rio de Janeiro, RJ, Brasil.

International Braz J Urol : Official Journal of the Brazilian Society of Urology
|August 27, 2016
PubMed
Summary

Retractile testis is associated with a higher risk of anatomical anomalies, including patent processus vaginalis and epididymal issues. This finding suggests it is not a normal variant and warrants further investigation.

Keywords:
CryptorchidismEpididymisRetractile testicle

More Related Videos

Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production
09:36

Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production

Published on: November 17, 2023

15.7K
Teratoma Generation in the Testis Capsule
05:24

Teratoma Generation in the Testis Capsule

Published on: November 7, 2011

21.5K

Related Experiment Videos

Last Updated: Mar 15, 2026

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration
07:21

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration

Published on: February 10, 2023

3.2K
Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production
09:36

Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production

Published on: November 17, 2023

15.7K
Teratoma Generation in the Testis Capsule
05:24

Teratoma Generation in the Testis Capsule

Published on: November 7, 2011

21.5K

Area of Science:

  • Pediatric Surgery
  • Urology
  • Developmental Biology

Background:

  • Retractile testis is a common condition in pediatric patients.
  • The anatomical variations associated with retractile testis require further investigation.

Purpose of the Study:

  • To determine the incidence of anatomical anomalies in patients diagnosed with retractile testis.
  • To compare these anomalies with those found in fetal testes.

Main Methods:

  • Prospective study of 20 patients (28 testes) with retractile testis.
  • Comparison with 25 fetuses (50 testes) with testes in scrotal position.
  • Analysis of testis-epididymis relations, epididymal atresia, and processus vaginalis (PV) patency using Chi-square tests.

Main Results:

  • Higher prevalence of epididymal anomalies (14.28%) and patent PV (21.4%) in retractile testes compared to fetuses (2% and 4%, respectively).
  • These differences were statistically significant (p=0.0116).

Conclusions:

  • Retractile testis is not a normal anatomical variant.
  • Patients with retractile testis have a significant risk of associated processus vaginalis patency and epididymal anomalies.