Nasal Cavity
What are the outer "wings" of the nose called?
Alae
What supplies blood to the nasal septum, external nose, ethmoid and sphenoid sinuses (posterior ethmoid)
Anterior and posterior ethmoidal arteries
What is the name for the tip of the nose?
Apex
What forms the base of the maxillary sinus?
Inferior part of the nasal cavity
Where does the sphenoidal sinus drain?
Into the spheno-ethmoidal recess
Where does the posterior ethmoidal sinus drain?
Into the superior meatus
What are the openings of the external nose called?
Nares
What are the three components of the nasal septum?
Perpendicular plate of the ethmoid bone, the vomer, and the septal cartilage
What forms the facial artery
Septal branch of the superior labial artery
What runs along the front edge of the bony septum of the nose?
Septal cartilage
Where is the spheno-ethmoidal reces?
Superior to the superior meatus
What forms the floor of the maxillary sinus?
The alveolar part of the maxilla
What forms the opthalmic artery?
The anterior and posterior ethmoidal arteries
The superior and middle conchae are projections from what bone?
The ethmoid bone
What forms the roof of the maxillary sinus?
The floor of the orbit
What sinus forms the right and left sinuses?
The frontal sinus
What supplies blood to the floor of the maxillary sinus?
The greater palatine artery
Which of the nasal conchae is an independent bone?
The inferior conchae
Where does the greater palatine artery branch from
The maxillary artery
Where does the sphenopalatine artery branch from?
The maxillary artery
What is the largest sinus?
The maxillary sinus
Where do the anterior and middle ethmoidal sinuses drain?
The middle nasal meatus
Where does the frontal sinus drain?
The middle nasal meatus
Where does the maxillary sinus drain?
The middle nasal meatus
What covers the passageways to the sinuses (superior, middle, and inferior nasal meatus?
The nasal conchae
What divides the nose into two cavities?
The nasal septum
What is the superior part of the nasal septum?
The perpendicular plate of the ethmoid
What makes the sphenoid bone very fragile?
The sphenoidal sinus that extends throughout
What supplies blood to the maxillary sinus?
The superior alveolar branch from the maxillary artery
What forms the apex of the maxillary sinus?
The zygomatic bone
What is another term used for the nasal conchae?
Turbinates
