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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...
Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
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:
Common Respiratory Disorders01:31

Common Respiratory Disorders

Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.

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Related Experiment Video

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Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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Children's voice and voice disorders.

Anita McAllister1, Peta Sjölander

  • 1Department of Clinical and Experimental Medicine, Division of Speech and Language Pathology, Faculty of Health Sciences, Linköping University, Linköping, Sweden. anita.mcallister@liu.se

Seminars in Speech and Language
|May 2, 2013
PubMed
Summary

This study explores pediatric voice development, comparing children's and adults' vocal anatomy and physiological measures. It examines voice quality, gender differences, and the prevalence and causes of childhood voice disorders.

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Area of Science:

  • Pediatric Otolaryngology
  • Speech and Language Pathology
  • Vocal Physiology

Background:

  • Understanding the anatomical and physiological differences between pediatric and adult vocal systems is crucial.
  • Childhood voice development involves significant changes impacting voice production and quality.
  • Voice disorders are common in children, necessitating research into their causes and effective interventions.

Purpose of the Study:

  • To delineate the distinctions between children's and adults' voices.
  • To provide a comprehensive overview of vocal tract anatomy relevant to voice production.
  • To explore the developmental trajectory of children's voices, including physiological and quality aspects, and their relationship to gender and voice problems.

Main Methods:

  • Review of anatomical structures of the head, neck, respiratory system, and larynx.
  • Description of physiological measures and voice quality assessments in developing children.
  • Analysis of factors contributing to voice problems, including environmental influences and gender-related differences.

Main Results:

  • Significant anatomical and physiological differences exist between pediatric and adult vocal mechanisms.
  • Voice quality and production evolve throughout childhood, influenced by maturation and gender.
  • Prevalence of voice problems like hoarseness in children is linked to specific developmental and environmental factors.

Conclusions:

  • Pediatric voice development is a complex process influenced by anatomy, physiology, and external factors.
  • Recognizing developmental voice characteristics is key to identifying and managing childhood voice disorders.
  • Evidence-based interventions are essential for addressing voice problems in the pediatric population.