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lower respiratory tract

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia 0.04 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.lower respiratory tract - the bronchi and lungs
lung - either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
respiratory tract, airway - the passages through which air enters and leaves the body
bronchial tube, bronchus - either of the two main branches of the trachea
bronchiole - any of the smallest bronchial ducts; ending in alveoli


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3%) of 252 nasopharyngeal aspirates from hospitalized children with lower respiratory tract infection in Hunan Province, People's Republic of China.
Centers for Disease Control and Prevention study that found that secondhand smoke hits children hard -- causes lower respiratory tract illness such as bronchitis and pneumonia, exacerbates asthma and increases the risk of middle-ear infections.
The factors controlled for in these analyses induded water damage or mild or mildew in the building during the first year of the child's life, any lower respiratory tract infection in the first year, male sex, African-American race, fall date of birth, and maternal IgE to Alternaria > 0.
 
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