Nasal meatus

The nasal meatuses are distinct air passages of the lateral nasal cavity located inferior to each nasal conchae.


The plural of meatus is meatus (Latin noun of the fourth declension) or meatuses. Meati is incorrect. 

Gross anatomy

There are three main nasal meatuses:

A fourth supreme meatus may exist if the supreme nasal concha is present.

The nasal meatuses receive drainage of the paranasal sinuses and nasolacrimal duct.


Share article

Article information

rID: 59445
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • Nasal meatuses
  • Nasal meati

Support Radiopaedia and see fewer ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.