Turbinates are small, bony structures inside your nasal passages covered with soft tissue. You have three pairs of turbinates in each nostril: inferior, middle, and superior. These structures warm, humidify, and filter the air you breathe.
When turbinates become enlarged (turbinate hypertrophy), they can block nasal airflow and cause breathing difficulties. The inferior turbinates, being the largest and most prone to swelling, are typically responsible for cases of nasal obstruction.
This condition can affect adults who experience chronic nasal congestion.