respiratory tract

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Related to respiratory tracts: respiratory airway, Respiratory passages
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.respiratory tract - the passages through which air enters and leaves the body
respiratory system, systema respiratorium - the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
lower respiratory tract - the bronchi and lungs
upper respiratory tract - the nose and throat and trachea
tract - a system of body parts that together serve some particular purpose
References in periodicals archive ?
All the 140 participants from the Immunodeficiency Unit had symptoms of disease in their respiratory tracts for at least 42 days prior to the study.
Influenza affects both the upper and lower respiratory tracts.
announced today data from a Phase 1 study demonstrating that Numax (motavizumab) appears to have an acceptable safety profile in infants infected with respiratory syncytial virus (RSV) and may have the potential to help reduce RSV in the upper respiratory tracts of children infected with the virus.
The BHPIV3 virus replicated in the respiratory tracts of all the animals, but only those monkeys that received the S-protein gene developed antibodies against the SARS virus, the scientists report in the June 26 Lancet.
Isolation of Mycobacterium bovis from the respiratory tracts of skin test-negative cattle.
It is uncommon for localized amyloid depositions to occur in both the upper and lower respiratory tracts.
Mucosal surfaces are prominent in the gastrointestinal, urogenital, and respiratory tracts and provide portals of entry for pathogens.

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