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
c.c Anterior rhinoscopy can view which concha?
inferior and middle
_____ contains the sphenoidal sinus
sphenoethmoidal recess
Superior meatus contains the openings to the ____
POSTERIOR ethmoidal air cells
Middle meatus contains the _(3)___
ethmoidal bulla
hiatus semilunaris
ethmoidal infundibulum
What structure contains the opening to the middle ethmoidal air cells
ethmoidial bulla
The hiatus semilunaris is conti anteriorly with the ____
ethmoidal infundibulum
The ethmoidal infundibulum leads to the frontal sinus through the _____ duct
frontonasal duct
The frontal sinus is connted to the ethmoidal infundibulum through the ____
frontonasal duct
The frontonasal duct connects which two structures
ethmoidal infundibulum
frontonasal duct
The sphenopalatine artery enters into the nasal cavity through _____ foramen
sphenopalatine foreman
Name the 5 art. that anastomose in Kesselback Plexus
- posterior ethmoidal
- anterior ethmoidal
- septal
- Sphenopalatine
- greater palatine
______ is the Location where the art’s anastomose in the nasal cavity as the _____ plexus
vestibule
kesselbach’s plexus
c.c most common site of epistaxis
at kesselbach’s plexus in the vestibule
origin of the septal artery
superior labial artery from the facial artery
origin of the ant/post ethmoidal art’s
opthalmic art
origin of the greater palatine and sphenopalatine artery
maxillary artery
_____N supplies the nasal mm
olfactory N
What two nerves supply the nasal cavity with sensory
V1 opthmalic of trigeminal
V2 maxillary of the trigeminal
The olifacoty N enters into the nasal cavity through the _____
cribiform plate of the ethmoid bone
What 4 bones contain parasinuses
frontal
ethmoid
sphenoid
maxilla
** _____ has the largest paranasal sinus
maxilla
Which bone has air cells that have been subdivided into three different cavities
ethmoid
anterior, middle, and posterior
anterior ethmoidal air cells drain into the______
haitus semilunaris
The middle ethmoidal air cells drain into the _____
ethmoidal bulla
The posterior ethmoidal air cells drain into the _____
superior nasal meatus
The sphenoidal air cells drain into _____
sphenoethmoidal recess
located above the superior concha
2 fxn of air cells
lighten skull
vocal resonance
c.c. What two sinuses can be visually inspected using translumination
frontal
maxillary
pituitary gland is located above what sinus?
sphenoid sinus in the sella turcica
c.c. if there is a tumor in the pituitary gland, what sinus would the doc enter through the do surgery ?
through the sphenoid sinus
**____ is the mm ridge over the auditory tube
tuebal (tarustuebarus)
**_____ is the mm that extends from the tuebal ridge
salpingopharyngeal fold
contains the salpingopharyngeal M
____N innervates the salpingopharyngeal M that is contained in the fold
vagus
** all M ending in “pharyngus” are innervated by _____N
except-
vagus
except: stylopharngeal M : glossopharyngealN
Innervation of the stylopharyngeal M
glossopharyngeal N
all M ending in “glossus” are innervated by ____
except-
hypoglossus
except: palatine glossus= vagus
innervation of the palatine glossus
vagus
all M of facial motion are innervated by ___N
facial N
all muscles of mastication are innervated by ____N
trigeminal N
