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

Castigliano's Theorem01:18

Castigliano's Theorem

883
Castigliano's theorem analyzes displacements and rotations in elastic structures. It relates the derivative of elastic strain energy to the applied forces or moments, allowing for the calculation of deformations. The theorem states that the partial derivative of the total strain energy of a system with respect to a specific load results in the displacement at the point where the load is applied. This principle applies to both forces and moments.
883
Divergence and Stokes' Theorems01:06

Divergence and Stokes' Theorems

3.4K
The divergence and Stokes' theorems are a variation of Green's theorem in a higher dimension. They are also a generalization of the fundamental theorem of calculus. The divergence theorem and Stokes' theorem are in a way similar to each other; The divergence theorem relates to the dot product of a vector, while Stokes' theorem relates to the curl of a vector. Many applications in physics and engineering make use of the divergence and Stokes' theorems, enabling us to write...
3.4K
Dimensional Analysis02:19

Dimensional Analysis

22.3K
The concept of dimension is important because every mathematical equation linking physical quantities must be dimensionally consistent, implying that mathematical equations must meet the following two rules. The first rule is that, in an equation, the expressions on each side of the equal sign must have the same dimensions. This is fairly intuitive since we can only add or subtract quantities of the same type (dimension). The second rule states that, in an equation, the arguments of any of the...
22.3K
Dimensional Analysis03:40

Dimensional Analysis

58.4K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
58.4K
Dimensional Analysis01:23

Dimensional Analysis

1.9K
Dimensional analysis is a powerful tool that is used in physics and engineering to understand and predict the behavior of physical systems. The basic idea behind dimensional analysis is to express physical quantities in terms of fundamental dimensions such as the mass, length, and time. Derived dimensions like the velocity, acceleration, and force are derived from the combinations of these fundamental dimensions.
Dimensional analysis allows us to analyze and compare physical quantities on a...
1.9K
Dimensional Analysis01:27

Dimensional Analysis

584
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
584

You might also read

Related Articles

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

Sort by
Same author

Discovery of a new species of <i>Coendou</i> (Rodentia: Erethizontidae) within the hyper-diverse mammalian community of Sangay National Park in Ecuador.

PeerJ·2026
Same author

Gastric morphology in sigmodontine rodents (Mammalia: Cricetidae): a comprehensive comparative classification.

PeerJ·2026
Same author

SCORE2-diabetes vs SCORE for evaluation of cardiovascular risk in diabetic patients.

Journal of family medicine and primary care·2026
Same author

Forest-dwelling crab-eating foxes, <i>Cerdocyon thous</i> (Carnivora, Canidae), in eastern Ecuador: new ecological and genetic records of an elusive Neotropical canid.

ZooKeys·2026
Same author

Mountains of diversity: a systematic revision of the Andean rodent genus <i>Oreoryzomys</i> (Cricetidae: Sigmodontinae).

PeerJ·2026
Same author

Correction: Histoplasma capsulatum in wild mammals from Ecuador.

PLoS neglected tropical diseases·2025
Same journal

Preventing Postpartum Pelvic Floor Dysfunction: Clinical Evidence and Policy Gaps in U.S. Coverage of Pelvic Floor Muscle Therapy.

Urology·2026
Same journal

Editorial Comment on "Through the Eyes of the Applicant: A Qualitative Study of the Urology Residency Match".

Urology·2026
Same journal

Editorial Comment on "A Histopathologic Assessment of Prostate Ductal Anatomy in Relation to Micro-Ultrasound".

Urology·2026
Same journal

Same-Day Discharge Following Multiport Robot-Assisted Simple Prostatectomy: A Prospective Feasibility Study of Outcomes, Costs, and Post-Discharge Healthcare Utilization.

Urology·2026
Same journal

Extended versus Standard Lymph Node Dissection at the Time of Radical Cystectomy for Bladder Cancer.

Urology·2026
Same journal

Intractable Epistaxis and Severe Hypertension in a Young Woman.

Urology·2026
See all related articles

Related Experiment Video

Updated: Dec 31, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
10:27

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

9.0K

Jackstone Calculus.

Carolina Carneiro1, Miguel F Cunha2, Jorge Brito1

  • 1Radiology department of Centro Hospitalar Universitário do Algarve, Portimão, Portugal; ABC - Algarve Biomedical Center, Faro, Portugal.

Urology
|December 31, 2019
PubMed
Summary
This summary is machine-generated.

Jackstone calculus, a rare bladder stone, has a unique spiky shape. This diagnosis aids treatment, as these stones are easily broken with lithotripsy, potentially avoiding surgery.

More Related Videos

Experimental Methods to Study Human Postural Control
08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

10.0K
A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules
11:25

A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules

Published on: October 11, 2017

9.7K

Related Experiment Videos

Last Updated: Dec 31, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
10:27

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

9.0K
Experimental Methods to Study Human Postural Control
08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

10.0K
A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules
11:25

A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules

Published on: October 11, 2017

9.7K

Area of Science:

  • Urology
  • Nephrology
  • Radiology

Background:

  • Jackstone calculus is a rare bladder stone characterized by a distinctive stippled and spiculated morphology.
  • Accurate diagnosis is crucial due to potential therapeutic implications.

Observation:

  • A 77-year-old male patient incidentally found to have a 2 cm bladder calculus on computed tomography (CT).
  • The calculus exhibited features characteristic of a jackstone calculus.

Findings:

  • The unique radiographic appearance of the calculus facilitated a straightforward diagnosis of jackstone calculus.
  • This morphology correlates with a specific mineral composition: calcium oxalate dihydrate.

Implications:

  • Calcium oxalate dihydrate stones are amenable to fragmentation by lithotripsy.
  • Endoscopic treatment may be a viable alternative to surgery for larger jackstone calculi.