Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Cystic Fibrosis: Management01:24

Cystic Fibrosis: Management

Cystic fibrosis (CF) is an autosomal recessive disorder that predominantly affects individuals of Northern European descent, occurring at a rate of 1 in 3500. It is caused by a genetic mutation in a gene on chromosome 7, most commonly the ΔF508 mutation, that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. This results in thicker mucus secretions and obstruction pathologies in multiple organs, including the lungs and sinuses.
Sinus disease and chronic sinusitis...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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,...
Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

Upper respiratory tract disorders, including viral infections and allergic rhinitis, cause significant discomfort and disrupt daily life. Managing these conditions involves a variety of drugs, such as antihistamines, intranasal steroids, decongestants, antitussives, expectorants, and mucolytics. Specific examples of drugs in each category are provided.
Antihistamines (e.g., Benadryl) block histamines from binding. Histamines are chemicals released during an allergic reaction in the body. As a...
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...
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.

You might also read

Related Articles

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

Sort by
Same author

Evaluation of the modulatory influence of food additive-garam masala on hepatic detoxication system.

Indian journal of experimental biology·1992
Same author

Cutaneous toxicity of sodium lauryl sulphate, nickel, and their combination in guinea pigs: biochemical and histopathological observations.

Bulletin of environmental contamination and toxicology·1992
Same author

RNase X2, a pistil-specific ribonuclease from Petunia inflata, shares sequence similarity with solanaceous S proteins.

Plant molecular biology·1992
Same author

Dermal toxicity of paraphenylenediamine.

Biomedical and environmental sciences : BES·1992
Same author

Modulation of bilayer structures derived from diacetylenic phosphocholines containing oxygen linker beta to diacetylene.

Chemistry and physics of lipids·1992
Same author

The familial occurrence of Parkinson's disease. Lack of evidence for maternal inheritance.

Archives of neurology·1992

Related Experiment Video

Updated: May 17, 2026

In vivo Evaluation of Mucociliary Clearance in Mice
06:35

In vivo Evaluation of Mucociliary Clearance in Mice

Published on: December 18, 2020

Mucociliary clearance in chronic sinusitis.

S M Birdi1, S Singh, A Singh

  • 1E.N.T. Department, Government Medical College, Rajendra Hospital, Patiala.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
Summary

Mucociliary clearance, a key respiratory defense, is significantly impaired in chronic sinusitis patients. This study establishes regional normal values and highlights the diagnostic potential of mucociliary clearance time in managing sinonasal conditions.

More Related Videos

Rapid Viscoelastic Characterization of Airway Mucus Using a Benchtop Rheometer
08:47

Rapid Viscoelastic Characterization of Airway Mucus Using a Benchtop Rheometer

Published on: April 21, 2022

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium
07:40

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium

Published on: February 21, 2025

Related Experiment Videos

Last Updated: May 17, 2026

In vivo Evaluation of Mucociliary Clearance in Mice
06:35

In vivo Evaluation of Mucociliary Clearance in Mice

Published on: December 18, 2020

Rapid Viscoelastic Characterization of Airway Mucus Using a Benchtop Rheometer
08:47

Rapid Viscoelastic Characterization of Airway Mucus Using a Benchtop Rheometer

Published on: April 21, 2022

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium
07:40

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium

Published on: February 21, 2025

Area of Science:

  • Respiratory Physiology
  • Otolaryngology
  • Medical Diagnostics

Background:

  • Mucociliary clearance is a vital defense mechanism for the respiratory system.
  • Disruptions in mucociliary clearance can lead to mucus stagnation and secondary infections.
  • Chronic sinusitis is a common condition where mucociliary function may be compromised.

Purpose of the Study:

  • To determine the normal mucociliary clearance time in the local population.
  • To assess the impact of chronic sinusitis on mucociliary clearance.
  • To evaluate the diagnostic and prognostic value of mucociliary clearance time in chronic sinusitis.

Main Methods:

  • A Saccharine test was employed to measure mucociliary clearance time.
  • The study included twenty healthy individuals and fifty patients with chronic sinusitis.
  • Measurements were taken before and after treatment for patients with chronic sinusitis.

Main Results:

  • The established normal mucociliary clearance time in the region is 6.99 ± 0.26 seconds.
  • Significant alterations in mucociliary clearance were observed in patients with chronic sinusitis.
  • Treatment potentially impacts mucociliary clearance, though specific outcomes require further detail.

Conclusions:

  • Chronic sinusitis significantly affects mucociliary clearance function.
  • Mucociliary clearance time is a relevant metric for evaluating chronic sinusitis.
  • Establishing regional normal values aids in the clinical assessment of respiratory defense mechanisms.