A characteristic feature of the human airway epithelium is the presence of ciliated cells
bearing motile cilia, specialized cell surface projections containing axonemes composed of …

The ventilation of the lung ranges between 1,000 and 21,000 liters per 24 hours in humans
depending on body size and physical activity. This exposes the extensive epithelial surface …

Hayes' Principles and Methods of Toxicology has long been established as a reliable and
informative reference for the concepts, methodologies, and assessments integral to …

Airway epithelium is the first line of defense against exposure of the airway and lung to
various inflammatory stimuli. Ciliary beating of airway epithelial cells constitutes an …

Mucociliary clearance (MCC), the process in which airway mucus together with substances
trapped within are moved out of the lungs, is an important defence mechanism of the human …

Airway epithelial cells are the first line of defense against the constituents of the inhaled air,
which include allergens, pathogens, pollutants, and toxic compounds. The epithelium not …

During a type I allergic reaction histamine, slow-reacting substance of anaphylaxis (SRS-A)
and other mediator substances are elaborated from specific tissue sites1. In allergic asthma …

Design Tensubjects with asthma inhaled 3.6 urn Tetlonparticles labeled with"'In on 4
different days. In twoof these exposures the particles were suspended in air, and in the other …

The saccharin test was carried out in a randomly selected sample of schoolchildren (142
boys and 153 girls, age range 11-14 years) to determine the variability and reproducibility of …

Mucociliary clearance (MCC) is one of the most importantnonspecific defense mechanisms
of the respiratory tract, and itsimpairment is a well-documented feature of chronic …