PATHOLOGY

Detailed explanation-1: -Sinuses are located throughout the body and perform varying functions. Sinuses are typically associated with the cavities within the skull. The word “sinus” is most commonly understood to be the paranasal sinuses that are located near the nose and connect to the nasal cavity.

Detailed explanation-2: -What are sinuses? The sinuses are cavities, or air-filled pockets, near the nasal passage. As in the nasal passage, the sinuses are lined with mucous membranes.

Detailed explanation-3: -What are sinuses? Your sinuses are four paired cavities (spaces) in your head. Narrow passages connect them. Sinuses make mucus that drains out of the passages in your nose. This drainage helps keep your nose clean and free of bacteria, allergens and other germs (pathogens).