intranasal anesthesia

n.
  1. Insufflation anesthesia in which an anesthetic is added to inhaled air as it passes through the nose or nasopharynx.
  2. Anesthesia of nasal passages by topical application of an anesthetic solution to nasal mucosa.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.