NEET PG DENTAL EXAM

Detailed explanation-1: -The space inside the nose. The nasal cavity lies above the bone that forms the roof of the mouth and curves down at the back to join the throat. It is divided into two sections called nasal passages.

Detailed explanation-2: -The word “sinus” is most commonly understood to be the paranasal sinuses that are located near the nose and connect to the nasal cavity. There are four paranasal sinuses, each corresponding with the respective bone from which it takes its name: maxillary, ethmoid, sphenoid, and frontal.

Detailed explanation-3: -Nasal cavities: Your nose has two nasal cavities, hollow spaces where air flows in and out. They are lined with mucous membranes. Nerve cells: These cells communicate with your brain to provide a sense of smell. Nostrils (nares): These are the openings to the nasal cavities that are on the face.

Detailed explanation-4: -The nasal cavity is divided into three regions: the nasal vestibule, the nasal cavity proper or nasal fossa, and the olfactory region. The nasal vestibules are the two entry points into the nasal cavity.