Flashcards in Lab 23 Nose and Paranasal Sinuses Deck (36):
What is the space inferior to the superior concha?
What is found superior to the superior concha?
The nasal bone, frontal bone with sinus, cribriform plate of ethmoid, and the sphenoid body with sinus form what boundary of the nasal cavity?
What nerve and artery are found embedded within the nasal mucosa? What trajectory should it have coming from below the sphenoidal sinus? Which foramen does it come from? Where does it course anteriorly? What does it access? PAY ATTENTION
-nasopalatine nerve, sphenopalatine artery
anteriorly along the septum to access the incisive canal
The bones and cartilages of the nasal cavities are lined by ______.
What is just interior to the nostril and anterior to the inferior meatus? This is a transitional zone between skin (has hair) and respiratory mucosa (has glands).
There are 3 things found in the semilunar hiatus, what are they?
opening of the frontal sinus, opening of the anterior ethmoidal cells, opening of the maxillary sinus
What is equal to vomer + perpendicular plate of ethmoid?
bony nasal septum
Some people will change the name of the sphenopalatine artery to the posterior/nasal septal artery or septal artery when it reaches what?
What is its own bone and is attached to the maxilla laterally?
What are the 3 main structural components of the septum?
perpendicular plate of the ethmoid, the vomer, and the septal cartilage
What is the space inferior to the middle concha?
What is at the intermediate position of the semilunar hiatus?
opening of the anterior ethmoidal cells
The nasal mucosa is highly _____ and capable of _____.
Inferior to the nasal bones, you will find the ______ which form the distal bridge, the nostril and the anterior portion of the nasal septum.
The superior and middle concha are of the ____ bone.
There are two nasal cavities separated by a _____.
Although the opening of the maxillary sinus is found _____ along the hiatus, this opening is ______ near the _____ of the maxillary sinus. Not good for sinus drainage.
inferior, superior, roof
What is at the anterosuperior end of the semilunar hiatus, projecting up into the frontal sinus?
opening of the frontal sinus
The maxilla, lacrimal bone, ethmoid, inferior nasal concha, and perpendicular plate of palatine form what boundary of the nasal cavity?
What is the most inferoposterior along the semilunar hiatus and projects laterally?
opening of the maxillary sinus
What are serious nose bleeds typically from?
the sphenopalatine artery
what is found in the superior meatus?
opening of the posterior ethmoidal cells
What can be found in the middle meatus?
semilunar hiatus (a curved slit)
ethmoidal bulla (posterior to the hiatus, a smooth bulging surface)
The anterior entrance is called the _____, the posterior opens into the ________ via the ______.
What feeds the conchae and lateral nasal wall? NOT THE SEPTUM
the posterior lateral nasal branches
What is found in the sphenoethmoidal recess?
the opening of the sphenoidal sinus
The opening of the nasolacrimal duct is found in what? This is deep to the middle and superior conchae.
The palatine process of the maxilla and the horizontal plate of palatine form what boundary of the nasal cavity?
floor- pay attention to this, I think it will be a question
What is equal to vomer + perpendicular plate of ethmoid + septal cartilages + mucosa?
The superior 1/3 of the mucosa is ________, while the lower 2/3 is ______.
The nasal septum forms what boundary of the nasal cavity?
What is the space inferior to the inferior concha?
What is superior to the vestibule and anterior to the middle meatus? On the septum adjacent to the atrium is the site of vascular anastomosis called what plexus?
What is found on the ethmoidal bulla?
opening of the middle ethmoidal cells