sinusesfrontal
The frontal sinuses are a pair of air-filled cavities located within the frontal bone, above the orbits. They are part of the paranasal sinus system and are typically paired, but they vary in size and shape and can be asymmetrical or absent in some individuals.
Anatomy and drainage: The frontal sinuses are lined by respiratory mucosa, consisting of ciliated pseudostratified columnar
Development and variation: Pneumatization of the frontal sinuses begins in late infancy and progresses through adolescence,
Function: The exact primary function of the frontal sinuses is not fully established. Theories include humidifying
Clinical significance: Frontal sinus disease, such as frontal sinusitis or chronic rhinosinusitis with frontal involvement, presents