intranasal anesthesia

in·tra·na·sal an·es·the·si·a

1. insufflation anesthesia in which an inhalation anesthetic is added to inhaled air passing through the nose or nasopharynx;
2. anesthesia of nasal passages with local anesthetic solutions used by topical application to nasal mucosa, by local infiltration, or as nerve blocks.

in·tra·na·sal an·es·the·sia

(in'tră-nā'zăl an'es-thē'zē-ă)
1. Insufflation anesthesia in which an inhalation anesthetic is added to inhaled air passing through the nose or nasopharynx.
2. Anesthesia of nasal passages by infiltration and topical application of local anesthetic solution to nasal mucosa.