Nasal septum

Definition

The nasal septum is a thin wall made of cartilage and bone that divides the nasal cavity into two separate nostrils. It supports the nose and directs airflow within the nasal passages.

Related terms

Nasal Cavity:

The hollow space behind the nose where air is warmed, moisturized, and filtered before reaching the lungs.

Turbinates: Curved bones located inside the nasal cavity that help humidify and filter air as it passes to the lungs.

Sinuses: Air-filled spaces in the skull that help produce mucus for the nasal cavities, enhance voice resonance, and lighten the weight of the skull