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

Accessory Ducts of the Male Reproductive System01:25

Accessory Ducts of the Male Reproductive System

1.7K
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....
1.7K
Accessory Glands of the Male Reproductive System01:16

Accessory Glands of the Male Reproductive System

2.0K
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...
2.0K
Sperm Transport01:15

Sperm Transport

1.4K
The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...
1.4K
Penis01:29

Penis

8.5K
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...
8.5K
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

4.8K
Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
4.8K
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

5.0K
During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
5.0K

You might also read

Related Articles

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

Sort by
Same author

From fossil to bio-circular plastics: the environmental benefits of bio-attributed acrylonitrile butadiene styrene in single-use cystoscopes.

BJU international·2026
Same author

Transperineal Versus Transrectal Magnetic Resonance Imaging-targeted Prostate Biopsy in the Era of Lesion-focused Sampling.

European urology focus·2026
Same author

Feasibility and Safety of Same-say Discharge after Robot-assisted Radical Prostatectomy: A Systematic Review and Meta-analysis.

European urology focus·2026
Same author

Anatomy of the Prostatic Urethra and Sphincters: Normal and Pathological Variants.

European urology focus·2026
Same author

Patient experience and procedural safety in prostate biopsy: interpreting patient-reported outcome measures in the era of transperineal biopsy.

Translational andrology and urology·2026
Same author

Xpert bladder cancer detection and monitor in urothelial carcinoma: systematic review and meta-analysis.

Scientific reports·2026

Related Experiment Video

Updated: Sep 10, 2025

Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation
03:51

Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation

Published on: December 8, 2023

3.1K

Exploration of the Ejaculatory Anatomy Concept: The EJAC Study.

Benjamin Pradere1, Alessandro Uleri1, Eric Bruguière2

  • 1Department of Urology UROSUD, La Croix du Sud Hospital, Quint Fonsegrives, France.

European Urology
|August 26, 2025
PubMed
Summary

The EJAC study reveals ejaculation is a complex process involving a peri-verumontanum antechamber and specific contractions. The verumontanum

Keywords:
EjaculationPhysiologySexual disorderSexuality

More Related Videos

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
06:28

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

3.9K
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

2.7K

Related Experiment Videos

Last Updated: Sep 10, 2025

Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation
03:51

Author Spotlight: Advanced Treatment of Seminal Duct Blockage Employing Endoscopy-Mediated Semen Channel Refluviation

Published on: December 8, 2023

3.1K
Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
06:28

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

3.9K
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

2.7K

Area of Science:

  • Urology
  • Reproductive Medicine
  • Biomechanics

Background:

  • Traditional models of ejaculation lack detailed biomechanical insights.
  • Understanding ejaculation mechanics is crucial for sexual health and treatment of related disorders.

Observation:

  • Real-time imaging (transrectal ultrasound, urethroscopy) was used in the EJAC study.
  • The study observed semen accumulation in a peri-verumontanum antechamber during emission.
  • Peri-verumontanum contractions, verumontanum tilting, and urethral contractions were noted during expulsion.

Findings:

  • Ejaculation is a complex, multistage process, not fully explained by prior models.
  • The peri-verumontanum area plays a key role in semen accumulation and expulsion.
  • Verumontanum anterior tilt is critical for directing antegrade semen flow.

Implications:

  • Novel insights into the biomechanics of ejaculation, particularly the peri-verumontanum's function.
  • Findings may guide the development of treatments for benign prostatic obstruction that preserve sexual function.
  • Enhances understanding of male reproductive physiology and potential therapeutic targets.