Sarah-Winter-Nasal Cavity And Pharynx

Front 1

facial part of respiratory tract

Back 1

nasal cavity

Front 2

cranial border of nasal cavity

Back 2

nostrils (external nares)

Front 3

caudal boundary of nasal cavity

Back 3

choanae (internal nares)

Front 4

What are located b/w the nasal cavity and nasopharynx?

Back 4

choanae

Front 5

divides the L and R halves of nasal cavity

Back 5

nasal septum

Front 6

what does the nasal septum sit on?

Back 6

vomer bone

Front 7

3 bones that make up external nose

Back 7

nasal
incisive
cranial part of maxilla

Front 8

T/F: external nose is formed by bone and cartilage

Back 8

T

Front 9

term for bare skin around the nostrils

Back 9

nasal planum (plate)

Front 10

that nostril opens into....

Back 10

the nasal vestibule

Front 11

the thickened dorsolateral portion of the nostril

Back 11

wing of the nostril

Front 12

the extension of the ventral nasal concha (fuses with the wing of the nostril)

Back 12

alar fold

Front 13

part of nasal vestibule that diverts air medially and ventrally

Back 13

alar fold

Front 14

where can you find the nasolacrimal duct opening?

Back 14

nasal vestibule

Front 15

T/F: the alar fold terminates in the vestibules

Back 15

T

Front 16

3 parts of nasal septum

Back 16

bony
cartilaginous
membranous

Front 17

which part of nasal septum is bony? (which bones form it?)

Back 17

caudal 1/3rd

ethmoid, frontal, nasal, and vomer bones

Front 18

what is the rostral continuation of the perpendicular plate of the ethmoid bone?

Back 18

cartilaginous part of nasal septum

Front 19

which part of the nasal septum connects the cartilaginous septum with movable cartilage of the nose? (located in the region of the nasal aperture)

Back 19

membranous nasal septum

Front 20

cartilaginous or slightly ossified scrolls covered with nasal mucosa

Back 20

nasal concha

Front 21

what occupies the majority of each half of the nasal cavity

Back 21

nasal concha

Front 22

difference b/w dorsal and ventral nasal concha

Back 22

dorsal-elongated, slightly curled
(attached to ethmoid and nasal bones)

ventral-several tightly folded scrolls
(attached tot he maxilla)
~located at the level of the 1st to 3rd maxillary premolar teeth

Front 23

which nasal concha are located at the 1st to 3rd maxillary premolar teeth?

Back 23

ventral

Front 24

which nasal concha are continued rostrally by a mucosal fold into the nasal vestibule?

Back 24

dorsal nasal concha

Front 25

which nasal concha are more tightly scrolled?

Back 25

ventral

Front 26

another term for middle nasal concha

Back 26

ethmoidal labyrinth

Front 27

outgrowths of ethmoid bone with nasal mucosa

Back 27

ethmoidal labyrinth

Front 28

fills the caudal part of the nasal cavity and extend into the frontal sinus and the cavity of the presphenoid bone

Back 28

ethmoidal labyrinth

Front 29

concha that is attached to external lamina and cribiform plate of ethmoid bone

Back 29

ethmoidal labyrinth (middle nasal concha)

Front 30

concha that has ethmoturbinates

Back 30

ethmoidal labyrinth

Front 31

types of ethmoturbinates

Back 31

ectoturbinates (in frontal sinus)

endoturbinates (in presphenoid space)

Front 32

what does meatus mean?

Back 32

passageway

Front 33

different nasal meatuses

Back 33

dorsal
middle
ventral
common

Front 34

which nasal meatus runs along the nasal septum?

Back 34

common nasal meatus

Front 35

location of dorsal nasal meatus?

Back 35

dorsal to the dorsal nasal concha

Front 36

is the nasal meatus larger or smaller at the level of the 2nd or 3rd premolar?

Back 36

larger at the 3rd premolar

Front 37

location of lacrimal sac

Back 37

lacrimal fossa of lacrimal bone

Front 38

where does the nasolacrimal duct end and begin?

Back 38

begins at lacrimal sac and ends in the nasal vestibule on ventral aspect of the alar fold

Front 39

T/F: tears flow from the punctum to lacrimal duct, to lacrimal sac, and then to lacrimal canal

Back 39

T

Front 40

paranasal sinuses and recessed

Back 40

frontal sinus
maxillary recess
sphenoid sinus

Front 41

which sinus in dogs has 3 compartments?

Back 41

frontal (lateral-2, medial, rostral)

Front 42

which compartment of the dogs' frontal sinus is the largest?

Back 42

lateral

Front 43

T/F: in the cat, the frontal sinus is undivided

Back 43

T

Front 44

T/F: the frontal sinus is present in Persian cats

Back 44

F (may be reduced)

Front 45

the recess in dogs that is located dorsal to the roots of the last 3 cheek teeth

Back 45

maxillary recess

Front 46

the recess that contains the lateral nasal gland

Back 46

maxillary recess

Front 47

T/F: the maxillary recess communicates with the nasal cavity

Back 47

T

Front 48

T/F: the maxillary recess is almost noexistent in the cat

Back 48

T

Front 49

difference b/w sphenoid sinus in dogs and cats

Back 49

cat-sphenoid sinus located ventral to cranial cavity

dog-only a potential sinus b/c it is filled by an endoturbinate scroll

Front 50

where is the sphenoid sinus located in cats?

Back 50

ventral to the cranial cavity

Front 51

regions of the pharynx

Back 51

oropharynx

nasopharynx

laryngopharynx

Front 52

pharynx caudal to the oral cavity

Back 52

oropharynx

Front 53

pharynx caudal to the nasal cavity

Back 53

nasopharynx

Front 54

T/F: the larynx is part of the pharynx

Back 54

F!

Front 55

during respiration, is the epiglottis pulled forward or backward?

Back 55

pulled forward

Front 56

where is epiglottis during swallowing?

Back 56

pulled backward to cover the larynx(and trachea)

Front 57

the opening of the nasopharynx into the oral and laryngeal parts of the pharynx

Back 57

intrapharyngeal ostium

Front 58

what forms the intrapharyngeal ostium?

Back 58

right/left palatopharyngeal arches
caudal border of soft pallet

Front 59

oropharynx boundaries

Back 59

cranial-palatoglossal fold/arch
caudal-caudal border of soft pallet (base of epiglottis)
dorsal-soft pallet
ventral-root of tongue

Front 60

located in the lateral wall of the oropharynx just caudal to the palatoglossal arch

Back 60

palatine tonsils

Front 61

palatine tonsils are located within the...

Back 61

tonsillar fossa (tonsilar fold makes up median wall)

Front 62

efferent lymphatic vessels drain into the...

Back 62

medial retropharyngeal ln.

Front 63

tonsils in the oral/nasal/pharyngeal areas

Back 63

palatine tonsil
lingual tonsil
tonsil of soft pallet
pharyngeal tonsil

Front 64

boundaries of nasopharynx

Back 64

cranial-choanae
caudal-intrapharyngeal ostium

Front 65

what 2 things does the nasopharynx contain?

Back 65

pharyngeal opening of the auditory tube

pharyngeal tonsils

Front 66

tonsils in oropharynx

Back 66

palatine
lingual

Front 67

tonsils in nasopharynx

Back 67

pharyngeal

Front 68

T/F: pharynx is dorsal to larynx

Back 68

T

Front 69

boundaries of the laryngopharynx

Back 69

cranial-palatopharyngeal arches
caudal-pharyngoesophageal limen

Front 70

what is located b/e the laryngopharynx and the esophagus

Back 70

pharyngoesophageal limen

Front 71

pharyngeal constrictor muscles

Back 71

pterygopharyngeus
palatopharyngeus
hyopharyngeus
thyropharyngeus
cricopharyngeus

Front 72

pharyngeal dilator muscle

Back 72

stylopharyngeus

Front 73

muscles of head: 2 origins

Back 73

somatic

visceral-muscles of pharyngeal arch origin

Front 74

somatic muscles of the head generally include..

Back 74

extrinsic eye muscles
tongue muscles

Front 75

visceral muscles of the head include

Back 75

mastication
facial expression
pharyngeal constrictors
muscles of pharynx,larynx, and esophagus
COST

Front 76

pharyngeal constrictors come from which pharyngeal arch?

Back 76

3rd

Front 77

muscles of the pharynx, larynx, and esophagus are from which pharyngeal arch?

Back 77

4th

Front 78

COST muscles come from which arches?

Back 78

5th and 6th

Front 79

pharyngeal constrictors are innervated by...

Back 79

vagus n.
glossopharyngeal nn.

Front 80

T/F: the glossopharyngeal nn. have both sensory and motor fibers and are parasympathetic

Back 80

T

Front 81

which constrictor runs from the hamulus to pharynx?

Back 81

pterygopharyngeus m

Front 82

which 2 muscles both constrict the pharynx and draw it forward?

Back 82

pterygopharyngeus

palatopharyngeus

Front 83

which muscles runs from soft pallet to pharynx?

Back 83

palatopharyngeus m

Front 84

which muscle constricts the rostral part of the pharynx (runs from thyrohyoid and ceratohyoid to pharynx)

Back 84

hyopharyngeus m.

Front 85

muscle that constricts the middle part of the pharynx (runs from thyroid cartilage to pharynx)

Back 85

thyropharyngeus m

Front 86

muscle that constricts the caudal part of the pharynx (runs from the cricocartilage)

Back 86

cricopharyngeus m.

Front 87

which muscle dilates the pharynx and runs from the stylohyoid

Back 87

stylopharyngeus m

Front 88

the pharyngeal dilator muscle is innervated by...

Back 88

CN 9, 10

Front 89

levator veli palatini action

Back 89

raises the soft pallet

Front 90

tensor veli palatine action

Back 90

tenses the soft pallet by exerting lateral traction

Front 91

which muscle shortens the soft pallet?

Back 91

palatinus m.