Head and Neck Week 2-mastication, nose, mouth, pharynx and larynx Flashcards
(156 cards)
coughing is only possible when …
the larynx can close effectively
where does the pharynx start and end
base of the skull
oesophagus
hat vertebral level does trachea and oesophagus begin
C6
what part of the ethmoid bone contributes to the nasal cavity
cribiform plate
what part of the ethmoid bone contributes to the nasal cavity
cribiform plate
what bones form the roof of the nose x4
nasal bones, frontal bone, ethmoid and sphenoid
what forms the floor of the nose x2
palatine processes of the maxillae and palatine bones- make hard palate
what bones form the septum x2
vomer below
perpendicular plate of ethmoid above
ethmoid bone: what passes through the cribriform plate
olfactory nerve fibres
ethmoid bone: what attaches to the crista galli
falx cerebri- sheet of dura mater that separates the brains hemispheres
what epithelium forms the respiratory mucosa lining the nasal cavity
pseudostratified columnar epithelium
what is the roof of the nasal cavity lined by
olfactory musocsa
what cranial nerve innervates olfactory mucosa
and what else does it do
olfactory nerve - CNI
sense of smell
what is the space behind nasal conchae called
meatus
name of space above superior concha
spehnoethmoidal recess
what bone are the sup and middle concha a part of
ethmoid
what artery branches supply the nose
what veins supplies the nose
ophthalmic- from ICA
ECA
venous plexus
what does the spheno-ethmoid recess open into
sphenoidal sinus
what does the superior meatus open into
posterior ethmoid cells
what does the middle meatus open into x4
maxillary sinus
frontal sinus
anterior ethmoid air cells
middle ethmoid air cells
what does he inferior meatus open into
nasolacrimal duct
what sinus does not drain well and is indented by tooth sockets
maxillary
what nerve innervates sinuses overall
trigeminal CN V
what branch of CN V innervates: frontal sinus
supraorbital V1