Nasal Cavity Flashcards
a hook on the sphenoid bone for the tendon of the tensor veli palatine m.
hamulus
concha that are part of the ethmoid bone
superior concha
middle concha
concha that is a separate bone
inferior concha
opening of nose
nares
site of skin polyps of nasal cavity
vestibule
start of hard palate
anterior aperature (pyriform aperture)
end of hard palate
posterior aperature (Choanae)
separates the two nostrils of nasal cavity
septum
this is life threatening to an infant as they are obligate nose breathers
atresia of the choanae (CHARGE)
3 branches of maxillary artery that supply the lateral wall of nose
descending palatine a.
sphenopalatine a.
lateral posterior nasal a.
branch off internal carotid a. in nasal cavity
ophthalmic a.
branch off external carotid a. in nasal cavity
maxillary a.
2 branches of ophthalmic a.
anterior and posterior ethmoidal a.
innervates anterior lateral wall of nose
ophthalmic n. (CN V1)
innervates middle superior lateral wall of nose
CN I (olfactory)
innervates posterior lateral wall of nose
CN V2 (maxillary)
injection of anesthetize into palatine canal via the greater palatine foramen for what surgery
dental surgery (maxillary nerve block)
90% of anterior nose bleeds happen here
Little’s Area
3 arteries that make up Kiesselbach’s plexus (little’s area)
sphenopalatine a.
greater palatine a.
superior labial a.
cell bodies of afferents for all branches of CN V are located where
Gasserion/Semilunar Ganglion
cell bodies of preganglionic sympathetics to the nose are located where
lateral horn of T1, T2, T3
cell bodies of postganglionic sympathetics in the nose are located where
superior cervical ganglion
what 2 main arteries of the nasal cavity bring in postganglionic sympathetics
internal and external carotid a.
sensory to hard palate
greater palatine n
sensory to soft palate
lesser palatine n
a branch of the internal carotid n. that brings in postganglionic sympathetics to posterior nose
deep petrosal n.
preganglionic parasympathetic cell bodies are located where
superior salivatory nucleus
brings in preganglionic parasympathetics to posterior nose
greater petrosal n.
postganglionic neuron cell bodies of the nose located where
pterygopalatine ganglion
what ganglion stimulates secretion of mucous membranes of nose
pterygopalatine ganglion
nerve of the pterygopalatine canal
vidian n.
two parts of pterygoid plate
lateral
medial
pterygoid plates are part of what bone
sphenoid bone
foramen that connects sphenoid bone and palatine bone
sphenopalatine foramen
space above sphenopalatine foramen
sphenopalatine fossa
2 arteries in the sphenopalatine fossa
infraorbital a.
sphenopalatine a.
5 nerves of sphenopalatine fossa
maxillary n.
palatine n.
nasal n.
infraorbital n.
vidian n.
ganglion in sphenopalatine fossa
pterygopalatine ganglion
sensory innervation to paranasal sinuses
CN V
secretory motor innervation to the paranasal sinsuses come from what
postganglionic parasympathetics
sensory innervation to the frontal, ethmoid and sphenoid sinuses
CN V1
sensory innervation to the maxillary sinus
CN V2
where does the frontal sinus and anterior ethmoid sinus drain to
infundibulum
where do the middle ethmoid sinus drain to
ethmoid bulla
where do the ethmoid and maxillary sinuses ultimately drain to
hiatus semilunaris (middle meatus)
only opening in the inferior meatus
lacrimal duct
inflammation of sinus mucous membranes
sinusitis
noncancerous growths that form medial to maxillary sinus
nasal polyps
this nerve contains preganglionic parasympathetic and postganglionic sympathetic nerves
Vidian nerve
drains to inferior meatus
nasolacrimal duct
patient has laceration of R side of face and can no longer close eye; laceration most likely cut what
zygomatic branch of CN VII
patient has laceration of R side of face and can no longer close eye and cannot furrow brow; laceration most likely cut what
temporal branch of CN VII
plastic surgery procedure
rhytidectomy
