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 Experiment Videos

Vesicourethral continuity in bladder neck activity

M Koraitim, W Schafer, H Melchior

    Urology
    |October 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same author

    [Significance of regional variations in the prevalence and treatment of depressive disorders and implications for health-care research].

    Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz·2014
    Same author

    Overlapping-image multimode interference couplers with a reduced number of self-images for uniform and nonuniform power splitting.

    Applied optics·2010
    Same author

    General self-imaging properties in N × N multimode interference couplers including phase relations.

    Applied optics·2010
    Same author

    Fiber optic temperature sensor using sampled homodyne detection.

    Applied optics·2010
    Same author

    Spatial mode filters realized with multimode interference couplers.

    Optics letters·2009
    Same author

    Passively Q-switched 0.1-mJ fiber laser system at 1.53 mum.

    Optics letters·2007

    Bladder neck muscle activity during filling is not dependent on the main bladder muscle (detrusor) or direct connections to urethral muscles. This study used electromyography in dogs to investigate bladder neck function.

    Area of Science:

    • Urology
    • Physiology

    Background:

    • The function of the bladder neck is crucial for urinary continence.
    • Understanding the neural and muscular control mechanisms of the bladder neck is essential.

    Purpose of the Study:

    • To investigate the electromyographic activity of the bladder neck during bladder filling and emptying.
    • To determine the dependence of bladder neck activity on the detrusor muscle and urethral continuity.

    Main Methods:

    • Electromyography was used to record electrical potentials from the bladder neck in anesthetized dogs.
    • The bladder was surgically divided to create separate compartments, and filling was performed in these compartments.

    Main Results:

    • Increased electrical potentials, indicating active contraction, were observed in the bladder neck during vesical filling.

    Related Experiment Videos

  • These potentials persisted even after the bladder was surgically divided, with filling of the proximal compartment.

    • Conclusions:

    • Bladder neck activity is not directly dependent on the detrusor muscle.
    • Anatomical continuity between bladder and urethral muscles is not required for bladder neck activity during filling.