Nasal Cavity, Sinuses, and Neck Flashcards
What surrounds nasal cavity
orbits, oral cavity, anterior cranial fossa, paranasal sinuses
regions within nasal cavity from superior to inferior
Spheno-sigmoidal recess, superior meatus, middle meatus, inferior meatus
Bones separating region in nasal cavity
superior, middle, and inferior concha
where is the spheno-sigmoidal recess?
above the superior concha
Types of broken noses
can be bones, separation of cartilage from bone, or just a break in cartilage
where is olfactory region?
spheno-sigmoidal recess
Important things in middle meatus
Ethmoid bulla and semilunar hiatus
Branches of V1 and V2 supply sensation from ____
inner nose
nerves within nose
V1, V2, and olfactory
Does nasal cavity have rich or poor vascular supply?
RICH
sinuses
spaces within bone of face lined with mucosa (ant to post: frontal, ethmoidal, sphenoid)
How are sinuses protective?
they can crumple but the impact won’t reach more important things behind them
frontal sinus drains to ___
frontonasal duct into semilunar hiatus (in middle meatus)
maxillary sinus drains to ___
maxillary ostium into semilunar hiatus (in middle meatus)
sphenoid sinus drains to ___
spheno-ethmoidal recess
anterior ethmoid air cells drain to ___
frontonasal duct into semilunar hiatus (in middle meatus)