Nose Flashcards
The nose is divided into two nasal cavities separated by the ___
nasal septum
______ are air filled cavities within some of the skull bones. They communite with the nasal cavity
paranasal sinuses
Name the 6 fxn of the nose
olfaction air condition air humidification warming of air filtration of dust reception of secretions from the paranasal sinuse and nasolacrimal duct
The nose collections secretions from the _____ & _____
paranasal sinuses
nasolacrimal duct
c.c.______: occurs when there is a blockage in the paranasal sinsuses or nasolacrimal duct& the secretions accumulate in the sinus
Sinus HA
(4) parts of the external nose
Root
Dorsum
Apex
Ala
___ is the bridge of the nose
root
The root of the nose is made up of the _____bone
nasal bone
The root of the nose is a connection of which bones _____ &___
nasal process of the frontal bone
nasal bone
(3) bones that make up the nose
nasal process of the frontal bone
nasal bone
frontal process of the maxilla
_____ is the tip of the external nose
apex
What are the two main bones that make up the nasal septum
volmer
perpendicular plate of the ethmoid
smaller bones that make nasal septum
crst of sphenoid nasal bone nasal spine septal cartilage (most anterior) palatine bone
Name the (4) cart. that make up the external nose
lateral nasal cart.
septal cart
greater alar cart
lesser alar cart
The nasal cavity opens posteriorly into the ____ through the ____
nasopharynx
choanae
_____ is the posterior nasal aperature
choanae
opens into the nasopharynx
Dilated portion inside the external nasal aperature
vestible
nose hairs aka ______
vibrissae
c.c. ______ is an examination of the nasal cavity with light
Rhinoscopy
c.c bloody nose aka ____
epistaxis
c.c anterior rhinoscopy :
inserts otoscope through the nostril
c.c posterior rhinoscopy:
inserts laryngeal mirror through the mouth, up the larynx to view the posterior nose (through the choanae)
Medial wall of the nasal cavity
nasal septum
Bones that make up the roof of the nasal cavity
sphenoid
cribiform
frontal
nasal
Bones that make up the floor of the nasal cavity
horizontal process of palatine
palatine process of maxilla
(roof of the oral cavity)
Superior and middle concha are a part of the _____bone
ethmoid bone