Nose Flashcards
Function
Ventilation - filter, warm and humidify
Smell
Speech
Drainage
What is the septum made of?
Perpendicular plate of ethmoid and vomer
What forms the roof and floor of the maxillary sinus?
Roof = floor of orbit Floor = palatine process of maxilla
Where does the maxillary sinus drain?
Hiatus semilunaris is of the middle meatus
Where does the frontal air sinus drain?
Middle meatus
Where does the sphenoidal air sinus drain?
Spheno-ethmoidal recess
Where does the ethmoidal air sinus drain?
Middles and superior meatus
What is the nerve supply of the maxillary air sinus?
Infraorbital and superior alveolar nerve (V2)
What is the blood supply of the maxillary air sinus?
Superior alveolair branch of maxillary artery
What is the nerve supply of the frontal air sinus?
Supraorbital nerve (V1)
What is the blood supply of the frontal air sinus?
Supraorbital artery (branch of ophthalmic artery)
What is the nerve supply of the sphenoidal air sinus?
Ethmoidal nerve (V1)
What is the blood supply of the sphenoidal air sinus?
Ethmoidal artery (branch of ophthalmic artery)
What is the nerve supply of the ethmoidal air sinus?
Ethmoidal nerve (V1)
What is the blood supply of the ethmoidal air sinus?
Ethmoidal artery (branch of ophthalmic artery)
