median rhinoscopy

n.
  1. Examination of the roof of the nasal cavity and openings of the posterior ethmoidal cells and sphenoidal sinus using a long-bladed nasal speculum or a nasopharyngoscope.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.