The Paranasal Sinuses Flashcards
Maxillary
Are located in the maxillary bones and are the largest sinuses
Frontal
Are located in the frontal bone, within the forehead, just above the eyes.
Ethmoid
Are located in the ethmoid bone and are irregularly shaped air cells separated from the orbital (eye) cavity by a very thin layer of bone.
Sphenoid Sinuses
Are located in the sphenoid and close to the optic nerves.
Arteries
Carry oxygenated blood away from the heart to all parts of the body with a pulsing motion.
Veins
Carry blood back to the heart
Lymph nodes
small round or oval structures located in lymph vessels; with some infections and immune disorders, the lymph nodes become swollen and tender
Trigeminal nerve
the primary source of the nerve supply for the mouth