Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Nasal septum

Medically reviewed by Min Clinic Staff | Updated: January 2026

Nasal septum: The dividing wall that runs down the middle of the nose, separating the two nasal 'cavities, each of which ends in a nostril. The nasal septum is composed of bone, cartilage, and 'membranes.