Understanding The Four Sinuses In Your Head

Paranasal Sinuses

In humans, there are four pairs of cavities (air-filled spaces) known as paranasal sinuses. These small hollow spaces, which are located within the skull or bones of the head surrounding the nose

Sinus Infection (Sinusitis): Causes, Symptoms & Treatment

Frontal Sinus Trephination, Definition, Function & Purpose

Paranasal Sinus Anatomy: Overview, Gross Anatomy, Microscopic Anatomy

Sinus Cavities in the Head: Anatomy, Diagram & Pictures

Nasal Cavity: Anatomy, Function, Key Facts

Where Are Sinus Cavities? - American Sinus Institute - American Sinus Institute

Unlocking the mystery of your sinuses - Mayo Clinic Health System

Sinusitis: MedlinePlus Medical Encyclopedia

Identifying Sinus Congestion vs. Head Congestion