Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

False Memories

False Memories

False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information...

Leaky Scanning

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...

Urinary Bladder

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...

Position-effect Variegation

Position-effect Variegation

In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.

Position and Displacement

Position and Displacement

The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...

Serial Position Effect

Serial Position Effect

The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...

You might also read

Related Articles

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

Sort by

Same author

Systematic Review and Meta-Analysis of Attention Deficit Hyperactivity Disorder: First Estimates of the Prevalence by Sex Amongst People Who Use Psychoactive Substances and Alcohol.

Journal of dual diagnosis·2026

Same author

Maternal Health and Sociodemographic Characteristics Influence Infant Growth to 24 Months in the Tunza Mwana Cohort: A Prospective Cohort Study.

Maternal & child nutrition·2026

Same author

Nurse prescribing of opioid agonist treatment in Ireland: Evidence, governance, and the politics of drug policy decision-making.

The International journal on drug policy·2026

Same author

Introducing Antenatal Multiple Micronutrient Supplements: Lessons Learned From Implementation Research in Bangladesh, Burkina Faso, Madagascar and Tanzania.

Maternal & child nutrition·2025

Same author

Impact of roe enhancement on quality parameters in sea urchins Echinus esculentus and Strongylocentrotus droebachiensis.

NPJ science of food·2025

Same author

Cleaner air, healthier hospitals: Implementing the UK's Clean Air Hospital Framework.

Journal of environmental management·2025

Search research articles

Related Experiment Video

Updated: Jan 20, 2026

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

Published on: April 27, 2014

False positive bladder scan in ascites with anuria.

Sarosh Janardanan¹, Ahmed E M Moussa¹, Philip James¹

¹Ashford & St Peter's NHS Trust Hospital Chertsey Surrey UK.

Clinical Case Reports

|August 21, 2019

Summary

Urinary retention diagnosis often uses history, exam, and bladder scans. In challenging cases like obesity or ascites, caution is advised with bladder scans; definitive imaging is crucial before treatment.

Keywords:

ascites bladder scan suprapubic catheter urinary retention

More Related Videos

Mouse Bladder Wall Injection

Mouse Bladder Wall Injection

Published on: July 12, 2011

Culture of Bladder Cancer Organoids as Precision Medicine Tools

Culture of Bladder Cancer Organoids as Precision Medicine Tools

Published on: December 28, 2021

Related Experiment Videos

Last Updated: Jan 20, 2026

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

Published on: April 27, 2014

Mouse Bladder Wall Injection

Mouse Bladder Wall Injection

Published on: July 12, 2011

Culture of Bladder Cancer Organoids as Precision Medicine Tools

Culture of Bladder Cancer Organoids as Precision Medicine Tools

Published on: December 28, 2021

Area of Science:

Urology
Medical Imaging

Background:

Urinary retention is a common clinical condition.
Diagnosis typically relies on patient history, physical examination, and portable bladder ultrasound (bladder scan).

Observation:

Clinical examination can be unreliable in specific patient populations, including those with obesity, anasarca, or ascites.
Bedside bladder scan findings may require careful interpretation in these challenging cases.

Findings:

When clinical assessment is compromised, bladder scan results should be viewed with caution.
Definitive imaging modalities are essential for accurate diagnosis in uncertain urinary retention cases.

Implications:

This highlights the need for advanced imaging techniques when bedside assessments are inconclusive.
Ensuring accurate diagnosis through appropriate imaging prevents potential misdiagnosis and guides effective intervention for urinary retention.