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respiratory tract

   Also found in: Medical, Legal, Financial, Encyclopedia, Wikipedia 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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Overall antibiotic prescription rates for acute respiratory tract infections declined between 1995 and 2006--an encouraging sign that health care providers are being more judicious in prescribing antibiotics, according to a study in the Aug.
My son often had respiratory tract infections when he was around eight months old.
He was admitted to the Victoria Infirmary in Glasgow last Thursday with pneumonia and inflammation to his upper respiratory tract.
 
 
 
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