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Related Concept Videos

Larynx01:21

Larynx

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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,...
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Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

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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:
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Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

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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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Chronic Pharyngitis01:23

Chronic Pharyngitis

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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
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It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

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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.
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Related Experiment Video

Updated: Sep 18, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

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Pathologic Processes in the Larynx Leading to a Change in the Voice Function.

Dimo Nedelchev1, Mario Milkov1, Desislava Konstantinova1

  • 1Department of Dental Materials Science and Prosthetic Dental Medicine, Faculty of Dental Medicine, Medical University - Varna "Prof. Dr. Paraskev Stoyanov".

The Journal of Craniofacial Surgery
|June 25, 2025
PubMed
Summary
This summary is machine-generated.

Laryngeal pathologies, including inflammatory, traumatic, and oncological conditions, frequently cause voice changes like hoarseness and pain. Early recognition of these voice disorders is crucial for patient well-being and life expectancy.

Keywords:
Laryngeal pathologystroboscopyvocal foldsvoice

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Area of Science:

  • Laryngology
  • Phonetics
  • Voice Science

Background:

  • The larynx is a vocal organ crucial for phonation, producing sound through vocal cord vibration.
  • Pathologic processes affecting the larynx can significantly alter voice function.
  • Understanding these pathologies is essential for diagnosing and managing voice disorders.

Purpose of the Study:

  • To systematically review the literature on common laryngeal pathologies impacting voice function.
  • To identify the most frequent causes and symptoms of voice changes due to laryngeal disorders.

Main Methods:

  • A systematic literature analysis was performed using major scientific databases (PubMed, Scopus, Web of Science, Embase, etc.).
  • Publications from January 2000 to September 2024 were reviewed.
  • The focus was on studies investigating laryngeal pathologies and their effect on voice function.

Main Results:

  • Laryngeal pathologies are common, stemming from diverse factors including inflammation, trauma, and oncological diseases.
  • Frequently observed symptoms include hoarseness, voice changes, dysphonia, aphonia, and pain.
  • Clinicians need awareness of these symptoms for effective patient care.

Conclusions:

  • Laryngeal pathology is prevalent, influenced by environmental factors like allergens and carcinogens.
  • Impaired voice quality significantly reduces patients' quality of life.
  • Laryngeal oncological diseases can impact overall life expectancy.