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Related Concept Videos

Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
Esophageal Achalasia01:27

Esophageal Achalasia

Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide (VIP)...
Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary or...
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure entails...

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Related Experiment Video

Updated: May 14, 2026

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp
09:58

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Published on: February 3, 2014

Bilateral vocal fold chondromas.

Ying-Ta Lai1, Brian E Petty, Wei Huang

  • 1Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin 53792-7375, USA.

Journal of Voice : Official Journal of the Voice Foundation
|February 15, 2013
PubMed
Summary
This summary is machine-generated.

This study reports the first case of bilateral vocal fold chondromas, which are rare benign tumors. Management involves detailed evaluation, phonomicrosurgery, and voice therapy.

More Related Videos

Construction and Characterization of a Novel Vocal Fold Bioreactor
11:11

Construction and Characterization of a Novel Vocal Fold Bioreactor

Published on: August 1, 2014

Related Experiment Videos

Last Updated: May 14, 2026

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp
09:58

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Published on: February 3, 2014

Construction and Characterization of a Novel Vocal Fold Bioreactor
11:11

Construction and Characterization of a Novel Vocal Fold Bioreactor

Published on: August 1, 2014

Area of Science:

  • Laryngology
  • Oncology
  • Otorhinolaryngology

Background:

  • Laryngeal chondromas are rare, benign, slow-growing neoplasms.
  • Vocal fold chondromas are exceptionally rare, with all prior cases being unilateral.

Observation:

  • This report details the first documented instance of bilateral vocal fold chondromas.

Findings:

  • The case highlights the occurrence of bilateral vocal fold chondromas, challenging previous literature.
  • Surgical resection using phonomicrosurgery is a key management strategy.

Implications:

  • This finding expands the understanding of chondroma presentation in the larynx.
  • Comprehensive management including detailed evaluation, phonomicrosurgery, and voice therapy is crucial for optimal outcomes.