nasal region Flashcards
nose is a part of the __ system
respiratory
the nose is separated into 2 cavities separated by a ___ ___
nasal septum
____ ____ are air filled cavities within some of the skull bones which communicate with the nasal cavities
paranasal cavities
6 functions of the nose
olfaction air conduction air humidification warming of air filtration of dust reception of secretions from the paranasal sinuses and nasolacrimal duct
infection or irritation of the paranasal sinuses increases the secretions that drain into the ___ ___
nasal cavity
failure of paranasal sinus drainage leads to ____ ___
sinus headache
olfaction =
smelling
external nose refers to the ___ ___ part of the nose
outer visible
4 parts of the external nose
root
dorsum
apex
ala
root of the nose is the ___
bridge
apex of the nose is the ___
tip
ala of the nose are the ___
wings
the base of the nose includes 2 things
2 external nares that are separated by the nasal septum
nares are the ___
openings
the external nose has both a ____ and ___ framework
cartilaginous
bony
3 parts to the cartilaginous framework of the external nose
lateral nasal cartilage
septal cartilage
greater and lesser alar cartilages
3 parts to the bony framework of the external nose
nasal bone
frontal process of maxilla
nasal portion of frontal bone
the nasal cavity is entered through the ___ and opens posteriorly into the ____ through the ____
nostrils
nasopharynx
choanae
the nasal cavity is subdivided into 2 cavities by the ____ ___
nasal septum
each nasal cavity has 4 walls
roof
floor
lateral
medial
inside the aperture of the nostril is a dilation called the ____
vestibule
vestibule is lined by skin which gives rise to stiff hairs called ____
vibrissae
function of vibrissae
filter dust particles and insects
____ _____: exam of the nasal cavity with a lighted instrument anteriorly
anterior rhinoscopy
____ ____: exam of nasal cavity from the posterior
posterior rhinoscopy
rhinoscopy is for…
foreign objects inflammation nasal pollips secretions bleeding
med term for nose bleed
epistaxis
most common cause of epistaxis
nose picking
medial wall of nasal cavity is generally made up of the ____ ___
nasal septum
medial wall of the nasal cavity is made up of:
- ___ plate of ethmoid bone
- crest of ____ bone
- _____, _____ bone
- ____ crest of palatine bone
- ____ crest of maxilla
- ___ spine of frontal bone
- ____ cartilage
perpendicular sphenoid vomer, nasal nasal nasal nasal septal
major components of the medial wall of the nasal cavity
perpendicular plate of ethmoid bone
vomer bone
septal cartilage
roof of the nasal cavity is made up of 3 things
body of sphenoid
cribriform plate of ethmoid bone
frontal bone
nasal bone
floor of the nasal cavity is made up of 2 things
palatine process of maxilla
horizontal plate of palatine bone
lateral wall of the nasal bone made up of:
- ___ bone
- ___ process of maxilla
- ___ and ___ conchae of ethmoid
- ___ concha
- ___ bone
- ____ plate of the palatine bone
- ___ pterygoid plate
nasal frontal superior middle inferior lacrimal perpendicular medial
during an ant rhinoscopy you dont see the ___ conchae and you only see ___ and ____
superior
middle
inferior
post rhinoscopy you only see the ____ conchae
superior
the ____ chonchae divide the nasal cavity into 4 passages
nasal chonchae
_____ ____: contains the opening of the sphenoidal sinus
sphenoethmoidal recess
___ ___: contains the openings of the posterior ethmoidal air cells
superior meatus
___ __: contains the ethmodial bulla, hiatus semilunaris, and infundibulum
middle meatus
___ __ has the openings for the middle ethmoidal air cells
ethmoidal bulla
immediately below the bulla is the curved cleft called the ____ ____
hiatus semilunaris
the hiatus semilunaris is continuous anteriorly with the ___ ___
ethmoidal infundibulum
ethmoidal infundibulum leads to the frontal sinus through the _____ ___
frontonasal duct
___ ___: contains the openings of the nasolacrima
Duct
Inferior meatus
the inferior meatus is below the ___ ___
inferior conchae
arterial supply to the nose is provided mainly through the __ and ___ arteries
maxillary
opthalmic
maxillary branches to the nose are the _____ and _____ ____ arteries
sphenopalatine
greater palatine
opthalmic branches to the nose are the ___ and ___ ____ arteries
anterior and posterior ethmoidal arteries
septal artery is a branch of the ___ ___ of the facial artery
superior labial
Kiesselbach’s plexus represents the anastomoses of branches of the ___, _____ and ___ arteries
septal
sphenopalatine
ethmoidal
Kiesselbachs plexus is located in the ____ and is a common site of ____
vestibule
epistaxis
for special sense the ____ nerves supply the olfactory mucosa
olfactory
for general sense the ___ and ___ divisions of the trigeminal
opthalmic
maxillary
anterior part of the nasal cavity is supplies by the ___ ___ branch of the nasociliary nerve
anterior ethmoidal
posterior part of the nasal cavity is supplied by ____, ___ and palatine branches of the pterygopalatine ganglion
nasal
nasopalatine
palatine
____ ___: air filled extensions of the respiratory parts of the nasal cavity into 4 cranial bones
paranasal sinuses
4 cranial bones that paranasal sinuses extend into
frontal
ethmoid
sphenoid
maxilla
frontal sinus should illuminate inbetween the ____
eyebrows
maxillary sinus should illuminate in the roof of the ____ cavity
oral
torsal ridge around the ____ tube
pharyngotympanic
extending down from the pharyngotympanic tube is the ___ ___
salpingopharyngeal fold
salpingopharyngeal fold contains the ____ ____
salpingopharyngeal muscle
all muscles ending in -pharyngeus are supplied by the ____, except for ____ muscle
vagus
stylopharyngeus
stylopharyngeus is supplied by the ____ nerve
glossopharyngeal
