nasal cavity/paranasal sinuses and oral cavity

what kind of cartilage is often grafted for nasal reconstruction

hyaline cartilage

what forms the roof of the nasal cavity

cribriform plate

what forms the floor of the nasal cavity

palate

what three structures form the nasal septum

perpendicular plate of ethmoid, vomer, septal cartilage

what nerves supply the nasal septum

nasopalatine nerve and the anterior ethmoid nerve

what is littles area also called

kiesselbachs plexus

what is littles area implicated in

anterior epistaxis

what arteries make up littles area

greater palatine, anterior ethmoidal, sphenopalatine, superior labial septal branch

what main structures make up the lateral nasal wall

superior, middle, and inferior choncha with heir meatus

what are nasal polyps associated with

asthma, recurring infection, allergies, drug sensitivity, immune disorders

what are the 4 paranasal sinuses

frontal, maxillary, ethmoidal, sphenoidal

what does the inferior meatus drain

nasolacrimal duct

what does the middle meatus drain

frontal sinus, anterior and middle ethmoidal air cells, maxillary sinus

what does the superior meatus drain

posterior ethmoidal air cells

what does the sphenoethmoidal recess drain

sphenoidal sinus

what makes up the hard palate

palatine processes of maxillae and horizontal plates of palatine bones

what makes up the soft palate

tensor and levator veli palatini mm, palatopharyngeus, palatoglossus, musculus uvulae

what muscles make up the floor of mouth

geniohyoid, mylohyoid, anterior digastric, hyoglossus

how are the lips attached to the gingivae in the midline?

superior and inferior labial frenulum

this is a thick superior labial frenulum that inserts between the first two teeth and may need to be surgically corrected

diastema

whaat is the boundary between the oral cavity and oropharynx

fauces

what is the palatoglossal arch formed and innervated by

palatoglossus m, CN IX

what is the palatopharyngeal arch formed and innervated by

palatopharyngeus m, cn IX

why does the tonsillar fossa contain

palatine tonsil

with an UMN lesion of CN X, where does the uvula deviate towards

toward the lesion

with a LMN lesion of CN X, where does the uvula deviate?

away from the lesion

What makes up the anterior 2/3rds of the hard palate

palatine processes of maxillae

what foramen resides in the anterior 2/3 of the hard palate and what nerve is passed there

incisive foramen transmitting nasopalatine n

what does the nasopalatine nn innervate

mucosa near the incisors and canines

what makes up the posterior 1/3 of the hard palate

palatine bones

what foramen resides in the posterior 1/3 of the palate and what nerve is transmitted

greater palatine foramen transmitting the greater palatine n

what is the soft palate innervated by

lesser palatine n, glossopharyngeal n, some chorda tympani

what is the floor of the mouth innervated by

lingual n

what are the most numerous papillae of the tongue which are not involved in taste

filiform papillae

which papillae are innervated by CN IX and contain half of taste buds

vallate papillae