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

Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

789
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
789
Three-Phase Short Circuit—Unloaded Synchronous Machine01:21

Three-Phase Short Circuit—Unloaded Synchronous Machine

717
Conducting a three-phase short circuit test on an unloaded synchronous machine helps understand its impact on the system. The AC fault current's oscillogram, with the DC offset removed, reveals that the waveform amplitude decreases from an initially high value to a steady-state level for one phase of the machine.
This behavior occurs due to the magnetic flux produced by the short-circuit armature currents. Initially, these currents follow high-reluctance paths but eventually shift to...
717
Torts III01:26

Torts III

1.1K
Types of Quasi-intentional Torts in Healthcare
Quasi-intentional torts in healthcare involve acts where intent is not directed to harm an individual but results in harm due to careless or reckless speech.
1.1K
Kinematic Equations - III01:18

Kinematic Equations - III

11.3K
The first two kinematic equations have time as a variable, but the third kinematic equation is independent of time. This equation expresses final velocity as a function of the acceleration and distance over which it acts. The fourth kinematic equation does not have an acceleration term and provides the final position of the object at time t in terms of the initial and final velocities. This equation is useful when the value of the constant acceleration is unknown.
Using the kinematic equations,...
11.3K
Types of Functions III01:28

Types of Functions III

269
Logarithmic and piecewise functions play central roles in mathematical modeling, particularly when capturing nonlinear or segmented behaviors in real-world phenomena. Although these functions differ fundamentally in structure and application, both serve to represent complex relationships in simplified mathematical terms.A logarithmic function is defined as the inverse of an exponential function, expressed as These functions grow quickly for small values of x but slow down as x increases,...
269
Diversity of Archaea III01:27

Diversity of Archaea III

346
Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like...
346

You might also read

Related Articles

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

Sort by
Same author

Hyponatremia Following Endoscopic Third Ventriculostomy in an Adolescent with an Aqueductal Web: A Case Report.

Reports (MDPI)·2026
Same author

Sacral Tarlov Cyst as a Rare Cause of Lower Limb Radiculopathy in a Child.

Cureus·2025
Same author

Identifying Angiogenic Factors in Pediatric Choroid Plexus Papillomas.

NeuroSci·2025
Same author

Awake Craniotomy for the Excision of a Pediatric Cerebral Arteriovenous Malformation for Language Preservation: A Case Description.

Journal of personalized medicine·2025
Same author

Evaluation of the Endoscopic Third Ventriculostomy Success Score for Pediatric Hydrocephalus: Experience from a Singapore Children's Hospital.

Pediatric neurosurgery·2025
Same author

Multimodality Approach to a Pediatric Craniopharyngioma with Mixed Histological Features.

Pediatric neurosurgery·2025

Related Experiment Video

Updated: Feb 7, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
14:58

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

10.3K

Synchronous Chiari III Malformation and Polydactyly.

Grace Il Tan1, David Cy Low1, Lee Ping Ng1

  • 1National Neuroscience Institute, Department of Neurosurgery, National Neuroscience Institute, Singapore.

World Neurosurgery
|July 31, 2018
PubMed
Summary

This case study presents a rare congenital anomaly, Chiari III malformation, in a neonate with an occipital encephalocele and polydactyly. The study discusses the unique presentation and concurrent diagnoses for better understanding.

Keywords:
Chiari III malformationPolydactyly

More Related Videos

A Patient-Derived Xenograft Model for Venous Malformation
06:51

A Patient-Derived Xenograft Model for Venous Malformation

Published on: June 15, 2020

5.8K
Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
05:12

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model

Published on: September 4, 2017

11.3K

Related Experiment Videos

Last Updated: Feb 7, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
14:58

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

10.3K
A Patient-Derived Xenograft Model for Venous Malformation
06:51

A Patient-Derived Xenograft Model for Venous Malformation

Published on: June 15, 2020

5.8K
Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
05:12

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model

Published on: September 4, 2017

11.3K

Area of Science:

  • Neuroscience
  • Genetics
  • Developmental Biology

Background:

  • Chiari III malformation is an extremely rare congenital anomaly with poorly understood causative factors.
  • This report details a unique case involving a male neonate with occipital encephalocele and associated posterior fossa malformations.

Observation:

  • The patient, a dichorionic, diamniotic twin from assisted reproduction, presented with an occipital encephalocele and bilateral postaxial polydactyly.
  • Neurosurgical intervention included encephalocele repair and cerebrospinal fluid diversion via a ventriculoperitoneal shunt.

Findings:

  • The case highlights the rare co-occurrence of Chiari III malformation and polydactyly.
  • This presentation offers insights into the complex etiology of Chiari III malformation.

Implications:

  • This case contributes to the limited literature on Chiari III malformation, emphasizing the need for further research.
  • Understanding such rare presentations can improve diagnostic and management strategies for congenital anomalies.