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

Glomerular ultrafiltration dynamics: historical perspective.

W J Arendshorst, C W Gottschalk

    The American Journal of Physiology
    |February 1, 1985
    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

    Calcium handling in afferent arterioles.

    Acta physiologica Scandinavica·2004
    Same author

    Norepinephrine-induced calcium signaling pathways in afferent arterioles of genetically hypertensive rats.

    American journal of physiology. Renal physiology·2001
    Same author

    Alpha1-adrenoceptor subtypes on rat afferent arterioles assessed by radioligand binding and RT-PCR.

    American journal of physiology. Renal physiology·2001
    Same author

    Role of EP(2) and EP(3) PGE(2) receptors in control of murine renal hemodynamics.

    American journal of physiology. Heart and circulatory physiology·2000
    Same author

    Ryanodine receptor and capacitative Ca2+ entry in fresh preglomerular vascular smooth muscle cells.

    Kidney international·2000
    Same author

    EP(1) and EP(4) receptors mediate prostaglandin E(2) actions in the microcirculation of rat kidney.

    American journal of physiology. Renal physiology·2000
    Same journal

    Blood coagulation in fish.

    The American journal of physiology·2011
    Same journal

    Renal tubular reabsorption, metabolic utilization and isomeric fractionation of lactic acid in the dog.

    The American journal of physiology·2010
    Same journal

    The inactivation of placental toxin by human serum.

    The American journal of physiology·2010
    Same journal

    Adrenal function following ovariectomy in the rat.

    The American journal of physiology·2010
    Same journal

    Capillary permeability; perfusion of frog and guinea pig hind limbs.

    The American journal of physiology·2010
    Same journal

    Evaluation of protective measures against sunburn.

    The American journal of physiology·2010
    See all related articles

    The renal glomerulus

    Area of Science:

    • Nephrology
    • Physiology
    • Renal Physiology

    Background:

    • The renal glomerulus, first described in 1666, has a complex history of research regarding its structure and function.
    • Early studies debated the glomerular-tubular connection, later confirmed by Bowman in 1842.
    • Ludwig proposed ultrafiltration as the glomerular filtration mechanism.

    Purpose of the Study:

    • To review the historical context of renal glomerulus structure and function.
    • To analyze conflicting findings on glomerular filtration dynamics and equilibrium.
    • To discuss implications for human kidney physiology.

    Main Methods:

    • Historical review of anatomical and physiological studies.
    • Analysis of experimental data on ultrafiltration coefficient (Kf) and glomerular filtration rate (GFR).

    Related Experiment Videos

  • Comparison of filtration dynamics across different species (rats, dogs, monkeys).
  • Main Results:

    • Conflicting data exist on filtration pressure equilibrium in rat glomeruli, with varying Kf and GFR dependence on plasma flow.
    • Studies in Munich-Wistar rats show either filtration equilibrium (Kf=0.08) or disequilibrium (Kf=0.04).
    • Filtration disequilibrium is reported in dogs, while equilibrium is observed in squirrel monkeys.

    Conclusions:

    • Glomerular filtration dynamics vary between species and even within rat strains.
    • Human kidney filtration is predicted to exhibit disequilibrium, but further direct measurements are needed.
    • Understanding these dynamics is crucial for renal physiology and disease research.