NCIt definition : An instrument designed to facilitate inspection of the trachea and bronchi to carry
out diagnostic (taking specimens for culture and biopsy) or therapeutic (removing
a foreign object) maneuvers.;
Alternative definition : NCI-GLOSS: A thin, tube-like instrument used to examine the inside of the trachea,
bronchi (air passages that lead to the lungs), and lungs. A bronchoscope has a light
and a lens for viewing, and may have a tool to remove tissue.;