American Rhinologic Society



In the following section, you will find information pertaining to the anatomy of the nasal cavity, sinuses, and anterior skull base. Anatomy and physiology serve as the basis for understanding diseases of the nose and sinuses, and we have provided brief summaries of this to help with your foundation of understanding.

Before proceeding, please read our disclaimer regarding the information provided on this website.

Nasal Anatomy
Sinus Anatomy
Nasal Physiology
Nasal Endoscopy
Skull Base Anatomy
Virtual Anatomy

Revised 6/2011
©American Rhinologic Society