Definition of Lower respiratory tract smear
1. Noun. Any of several cytologic smears obtained from different parts of the lower respiratory tract; used for cytologic study of cancer and other diseases of the lungs.
Generic synonyms: Cytologic Smear, Cytosmear, Smear
Medical Definition of Lower respiratory tract smear
1. A group of cytologic specimens containing material from the lower respiratory tract and consisting mainly of sputum (spontaneous, induced) and material obtained at bronchoscopy (aspirated, lavaged, brushed); used for cytologic study of cancer and other diseases of the lungs. Synonym: bronchoscopic smear, sputum smear. (05 Mar 2000)
Lower Respiratory Tract Smear Pictures
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