Noun: sputum smear
- 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
"The doctor ordered a sputum smear to check for signs of lung infection";
- lower respiratory tract smear, bronchoscopic smear
Derived forms: sputum smears
Type of: cytologic smear, cytosmear, smear