Definition: 'Lower Respiratory Tract Smear'
lower respiratory tract smearType: Term
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.
The definition information for lower respiratory tract smear is provided by Stedman's. You can search our medical dictionary here.