Rhinitis, Atrophic

**Definition:** A chronic inflammation in which the NASAL MUCOSA gradually changes from a functional to a non-functional lining without mucociliary clearance. It is often accompanied by degradation of the bony TURBINATES, and the foul-smelling mucus which forms a greenish crust (ozena).

**Tree numbers:** - C08.460.799.649 - C09.603.799.649