The nasal cavity is the first part of the respiratory system where air enters to begin the breathing process. The nasal conchae are so called for their shell-shaped structure. The conchae form the lateral walls of the nasal cavity.
Reviewed By: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.