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Related Concept Videos

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.
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
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,...
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
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,...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

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Related Experiment Video

Updated: Jun 13, 2026

Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
11:54

Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples

Published on: January 21, 2018

Sinusitis.

N Epstein

    Canadian Family Physician Medecin De Famille Canadien
    |May 15, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Sinusitis management involves addressing multiple factors with combined medical and surgical approaches. Family physicians can effectively treat acute and chronic sinusitis with specialist support.

    Related Experiment Videos

    Last Updated: Jun 13, 2026

    Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
    11:54

    Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples

    Published on: January 21, 2018

    Area of Science:

    • Otolaryngology
    • Family Medicine

    Background:

    • Sinusitis presents with diverse clinical manifestations often stemming from multifactorial causes.
    • Effective management requires a comprehensive understanding of both acute and chronic sinusitis.

    Purpose of the Study:

    • To delineate the distinct clinical pictures of acute and chronic sinusitis.
    • To outline optimal management strategies for sinusitis, integrating medical and surgical interventions.

    Main Methods:

    • Review of clinical presentations of sinusitis.
    • Discussion of integrated treatment modalities for sinusitis.

    Main Results:

    • Sinusitis etiology is complex, often requiring a multi-pronged treatment approach.
    • Combined medical and surgical interventions can lead to patient recovery.

    Conclusions:

    • Accurate diagnosis differentiating acute from chronic sinusitis is crucial for effective management.
    • Collaboration between family physicians and specialists optimizes sinusitis treatment outcomes.