mediastinoscope

[ mē′dē-ăs-tĭnə-skōp′ ]

n.

An endoscope inserted through an incision above the sternum to examine the mediastinum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.