Nose And Palate Anatomy

Front 1

parts of external nose

Back 1

radix nasi
dorsum nasi
apex nasi
ala nasi

Front 2

what bones make up the nasal pyramid?

Back 2

- 2 ascending/frontal processes of maxilla
- 2 nasal bones
- frontal

Front 3

nasofrontal suture is the same level horizontally as the___

Back 3

cribriform plate

Front 4

opening into the nasal cavity is called the

Back 4

piriform aperture - pear shaped

Front 5

pointed process of medial maxillary junction by the tip of the nose. aka?

Back 5

acantheon process
aka
anterior nasal spine

Front 6

what lies between the nasal bones?

Back 6

nasal spine of the frontal bone

Front 7

what three bones have nasal spines

Back 7

frontal -nasal spine
maxillary - ant. nsal spine aka acantheon process
palatine - post. nasal spine

Front 8

name the nasal cartilages

Back 8

1. septodorsal cartilage
- upper nasal aka lateral nasals
- septal cartilage
2. greater alar cartilages aka lower nas
- lateral crus and medial crus
3. lesser alar cartilages

Front 9

horshoe shaped cartilage in nose

Back 9

greater alar cartilages aka lower nasals

Front 10

when enetering through the naris, what marks the beginning of the nasal cavity proper and the end of the ___?

Back 10

limen nasi
- marks end of nasal vestibule

Front 11

what lines the nasal vestibule?

Back 11

vibrissae - large coarse hairs that filters air entering through the naris

Front 12

what is the largest longest lowest turbinate?

Back 12

inferior turbinate

Front 13

since the turbinates all end around the point, this called ____

Back 13

coterminus posteriority - ending posteriorly same place

Front 14

what bone serves as the floor of the nasal cavity?

Back 14

palatine bone

Front 15

what are nasal choanae

Back 15

the paired openings between the nasal cavity and nasopharynx

Front 16

from the posterior coterminus of the turbinates to the posterior limit of choanae = ?

Back 16

nasopharyngeal meatus

Front 17

eustachian tube

Back 17

tube connx pharynx to midle ear

Front 18

what aperture lies in the nasopharyngeal meatus?

Back 18

opening to the eustachian tube

Front 19

this part of this bone provides the front 2/3 of the roof of mouh.

Back 19

palatine process of the zygomatic bone

Front 20

name 4 surfaces and 4 processes of zygomatic bone

Back 20

surf - nasal, orbital, facial, infratemoral
proc - zygom, alveolar, palatine, ascen/frontal

Front 21

name all the apertures of maxilla

Back 21

perforations for sup. alveolar nn. - on lateral side of facial surface

infraorbital fissure, canal, foramen (maxillary n.)

Front 22

which turbinates articulate with the maxilla? what are those articulations called?

Back 22

inferior and middle concha.

ethmoidal crest (mid)
conchal crest (inf turb)

Front 23

along the infratemporal surface of maxilla, the _____ runs along it. forms the ____ when articul with the ______

Back 23

greater palatine sulcus
forms
g. palatine canal
when with
palatine

Front 24

what does the posterior tip of the inferior concha point to?

Back 24

opening to the eustachian tube

Front 25

Where do the mastoid sinuses drain into?

Back 25

into the middle ear,
NOT the nasal cavity - it is the only sinus that does not.

Front 26

Where do the paranasal sinuses drain?

Back 26

drain into sup and inf meatuses.

NOT into inferior meatus - where only tears drain into.

Front 27

What sinus drains into inf meatus?

Back 27

none - tears from eye drain into inf meatus

Front 28

ethmoidal cells are housed in what are called ___?
ethmoidal labyrinth

Back 28

lateral masses (2)
aka
ethmoidal labyrinth

Front 29

what are the components of the nasal septum

Back 29

perp plate ethmoid
septal cartilage (septodorsal cartilage)
vomer

Front 30

What are the two surfaces of the ethmoidal labyrinth (aka?)

Back 30

aka - lateral masses

two surfaces
- orbital aka lamina papyrae
- nasal - where sup and inf turbin artic

Front 31

boundaries for nasal cavity

Back 31

sup - cribrif plate
poster - choanae and body sphen
inf - horiz of palat, and ant 2/3 is maxilla
ant- nasal bone, lateral nasal cartil (upper nasals), g. alar caritl (lower naslals)

Front 32

boundaries of choanae

Back 32

sup - ala of vomer, vag proce of sphen
inf - horiz of palat
lat - med pteryg plate
med - vomer

Front 33

of the osseous features of the nasal cavity, which don't contribute to the nasal walls?

Back 33

very nutty silly funny employees make conscientious ppl laugh

vomer and frontal

Front 34

what are the unpaired bones of the ossesous features of the nasal vcavity?

Back 34

very nutty silly funny employees make conscientious (inferior concha) ppl laugh

vomer frontal ethmoid sphenoid

Front 35

palatine bone
plates
surfaces
processes

Back 35

plate - perp and horiz
surf - max and nasal, palatable and nasal

processes -
medially: orbital, maxillary, post nasal spine,
laterally:pyramidal proceess, sphenoidal process

Front 36

what provides a route to the pterygopalatine fossa from the nasal cavity?

What bones form it?

Back 36

sphenopalatine foramen :
body of sphen + palatine (orbital and sphenoidal processes - sphenopalatine notch)

Front 37

greater palatine canal.

where is it, what forms it?

Back 37

on pyramidal process of palatine bone (g. palatine sulcus) + maxillary sulcus

passage from pterygopalatine fossa to oral cavity

Front 38

maxillary sulcus joins _____ to form the ______ which connects the?

Back 38

g. palatine sulcus
g. palatine canal
oral cavity and the pterygopalatine fossa

Front 39

What bones does the paltine bone articu?

Back 39

1. sphenoid
2. ethmoid
3. maxillary
4. other platine
5. vomer
6. inferior turbinate

Front 40

what bone does the uvula attach to?

Back 40

palatine - post. nasal spine

Front 41

how many crests on paltine bone? what are they?

which one has no articulations

Back 41

4
-etmoidial - (mid turb)
- conchal crest (inf turb)
- nasal crest
- palatine crest (on palatable surface)

palatine crest

Front 42

this palatine crest has no articulation

Back 42

palatine crest - attch only to soft palate

Front 43

what aperture allows blood flow to nasal cavity?

Back 43

sphenopalatine foramen

Front 44

WHat is the most posterior part of the lateral wall of the nasal cavity?

Back 44

medial pterygoid plate

Front 45

what contributes to the nasal septum

Back 45

septal cartilage
vomer
perp plate ethmo

Front 46

what meatus receives teh most sinus drainage? what part of it?

Back 46

middle meatus - hiatus semilunaris

Front 47

what is the space above the sup. concha called?

Back 47

sphenoethmoidal recess

Front 48

this hook like process lies posterior to the hiatus semilunaris. what meatus is this?

Back 48

uncinate process
middle meatus

Front 49

describe the drainage into the middle meatus

Back 49

middle ethm air cells - bulla
ant ethmo, max, frontal - hiatus semilunaris

Front 50

what drains into sup meatus?

Back 50

post ethm air cells

Front 51

what drains into sphenoethmoidal recess?

Back 51

sphenoid sinus

Front 52

what is the hightest drainage point? what drains into it?

Back 52

sphenoethmoidal recess - sphenoid

Front 53

this inconstant structure sometimes occupies the sphenoethmoidal recess

Back 53

supreme concha

Front 54

which nasal meatus does not display a sinus ostium?

Back 54

sinus ostium = opening from nasal cavity to sinus

answer - inf nasal meatus

Front 55

boundary btwn nasal cavity proper and vestibule

Back 55

limen nasi

Front 56

what serves as a pointer to the pharyngeal ostium of the auditory tube?

Back 56

inf turbinate - points to pharyng ostium (opening to auditory tube aka eustachian tube)

Front 57

which craniometric points are related to the piriform aperture

Back 57

rhinion
acanthion

Front 58

this serves as the roof of the ethmoidal air cells, continuous with the cribriform plate

Back 58

fovea ethmoidalis