Anatomy Col3 26 Nasal Cavity

Front 1

Cribriform foramina in cribriform plate transmits what:

Back 1

Axons of olfactory cells in olfactory epithelium that form olfactory nerves (CNI)

Front 2

The nasal septum is composed of five structures:

Back 2

perpendicular plate of ethmoid bone, vomer bone, cartilage of the septum, crest of the maxillary bone, crest of the palatine bone

Front 3

Major cutaneous branches of Maxillary nerve (CN V2):

Back 3

infra-orbital, zygomaticotemporal, and zygomaticofacial nerves.

Front 4

The maxillary nerve (CN V2 ) enters which fossa + where: + travels how

Back 4

pterygopalatine fossa through the foramen rotundum

Front 5

Within the pterygopalatine fossa the maxillary nerve gives off:

Back 5

the zygomatic nerve,which divides into the zygomaticofacial and zygomaticotemporal nerves

Front 6

Branches of zygomatic nerve supply:

Back 6

the lateral region of the cheek and the temple

Front 7

V2 is what kind of nerve?

Back 7

Somatic sensory only

Front 8

The zygomaticotemporal nerve also gives rise to:

Back 8

a communicating branch, which conveys parasympathetic secretomotor fibers to the lacrimal gland by way of the lacrimal nerve from CN V1

Front 9

The maxillary nerve leaves the pterygopalatine fossa through:

Back 9

the inferior orbital fissure, after which it is known as the infra-orbital nerve.

Front 10

Viscerocranium paired bones:

Back 10

maxilla; inferior nasal concha(turbinate); and
zygomatic, palatine, nasal, and lacrimal bones

Front 11

Viscerocranium three singular bones:

Back 11

lying in the midline (mandible, ethmoid, and vomer)

Front 12

Each nasal cavity is divisible into:

Back 12

an olfactory area and a respiratory area. -

Front 13

The inferior two thirds of the nasal mucosa is the:

Back 13

respiratory area, and the

Front 14

superior one third of the nasal mucosa is the is the:

Back 14

the olfactory area

Front 15

Function of respiratory area (nasal mucosa):

Back 15

Air passing over the respiratory area is warmed and moistened before it passes through the rest of the upper respiratory tract to the lungs

Front 16

olfactory receptor neurons is within:

Back 16

the olfactory epithelium

Front 17

The central processes of the olfactory receptor neurons unite to form:

Back 17

nerve bundles that pass through the cribriform plate and enter the olfactory bulb.

Front 18

The functions of the nose and nasal cavities are:

Back 18

-Olfaction (smelling).
-Respiration (breathing).
-Filtration of dust.
-Humidification of inspired air.
-Reception and elimination of secretions from the nasal mucosa, paranasal sinuses, and nasolacrimal ducts

Front 19

the bony part of the nose consists of the:

Back 19

Nasal bones.
Frontal processes of the maxillae.
Nasal part of the frontal bone and its nasal spine.
Bony part of the nasal septum.

Front 20

The cartilaginous part of the nose consists of five main cartilages:

Back 20

two lateral cartilages, two alar cartilages, and a septal cartilage.

Front 21

boundaries of the nasal cavity - The roof :

Back 21

the roof is divided into three parts (frontonasal, ethmoidal, and sphenoidal), which are named from the bones that form each part.

Front 22

boundaries of the nasal cavity - The floor:

Back 22

formed by the palatine process of the maxilla
and the horizontal plate of the palatine bone.

Front 23

boundaries of the nasal cavity - The medial wall of the nasal cavityis formed by:

Back 23

the nasal septum,

Front 24

boundaries of the nasal cavity - The lateral wal

Back 24

l nasal conchae (superior middle,and inferior ), three elevations that project inferiorly like scrolls.

Front 25

Nasal Cavities open posteriorly into:

Back 25

the nasopharynx through the choanae

Front 26

Mucosa lines the:

Back 26

nasal cavities, except the vestibule of the nose, which is lined with skin

Front 27

nasal cavities communicate(4):

Back 27

the nasopharynx posteriorly,
the paranasal sinuses superiorly
and laterally, and the lacrimal sac
and conjunctiva superiorly.

Front 28

The nasal conchae divide the nasal cavity into:

Back 28

four passages:
spheno-ethmoidal recess,
superior nasal meatus,
middle nasal meatus,
and inferior nasal meatus.

Front 29

The spheno-ethmoidal recess – is where – opens to:

Back 29

lying superoposterior to the superior concha, receives the opening of the sphenoidal sinus.

Front 30

The superior nasal meatus is a narrow passage between: + open into

Back 30

the superior and the middle nasal conchae (parts of the ethmoid bone) into which the posterior ethmoidal sinuses open by one or more orifices.

Front 31

The middle nasal meatus opens to:

Back 31

ethmoidal infundibulum -> communicates with the frontal sinus, via the frontonasal duct .

Front 32

The semilunar hiatus – shape and opens where?

Back 32

is a semicircular groove into which the frontonasal duct opens.

Front 33

ethmoidal bulla is formed by:

Back 33

middle ethmoidal cells, which constitute the ethmoidal sinuses

Front 34

The maxillary sinus also opens into:

Back 34

the posterior end of the semilunar hiatus.

Front 35

The inferior nasal meatus is a horizontal passage located:

Back 35

inferolateral to the inferior nasal concha (an independent, paired bone).

Front 36

The nasolacrimal duct from the lacrimal sac opens into:

Back 36

the anterior part of inferior nasal meatus

Front 37

The arterial supply of the medial and lateral walls of the nasal cavity is from branches of the:

Back 37

sphenopalatine artery,
anterior and posterior ethmoidal arteries,
greater palatine artery,
superior labial artery,
and the lateral nasal branches of the facial artery

Front 38

Kiesselbach area =

Back 38

area on anterior part of the nasal septum where all five arteries supplying the septum anastomose

Front 39

The nerve supply of the posteroinferior half of the nasal mucosa is chiefly

Back 39

from CN V2 ->
nasopalatine nerve
+posterior lateral nasal branches of the great erpalat ine nerve to the lateral wal

Front 40

The anterosuperior part of the nasal mucosa (both the septum and lateral wall) is innervated by:

Back 40

the anterior ethmoidal nerves, branches of CN V1

Front 41

the paranasal sinuses are what + where:

Back 41

air-filled extensions of the respiratory part of the nasal cavity into the following cranial bones: frontal,ethmoid, sphenoid, and maxilla

Front 42

The frontal sinuses are innervated by:

Back 42

branches of the supraorbital nerves (CN V1)

Front 43

The ethmoidal cells (sinuses) include + location:

Back 43

several cavities that are located in the lateral mass of the ethmoid bone between the nasalcavity and the orbit

Front 44

the anterior ethmoidal sinuses drain directly or indirectly into:

Back 44

the middle meatus through the infundibulum

Front 45

The middle ethmoidal sinuses open directly into:

Back 45

the middle meatus.

Front 46

The posterior ethmoidal sinuses open directly into:

Back 46

the superior meatus

Front 47

The ethmoidal sinuses are innervated by:

Back 47

the anterior and posterior ethmoidal branches of the nasociliary nerves (CN V1)

Front 48

sphenoidal sinuses makes the sphenoid bone fragile – which structures are close to them:

Back 48

the optic nerves and optic chiasm,
the pituitary gland,
the internal carotid arteries,
and the cavernous sinuses

Front 49

sphenoidal sinuses location on the bone:

Back 49

mostly on the body of the sphenoid bone

Front 50

the posterior ethmoidal artery and nerve supply what:

Back 50

sphenoidal sinuses

Front 51

largest of the paranasal sinuses are:

Back 51

maxillary sinuses

Front 52

The base of the maxillary sinus forms:

Back 52

the inferior part of the lateral wall of the nasal cavity.

Front 53

The roof of the maxillary sinus is formed by:

Back 53

the floor of the orbit

Front 54

maxillary sinuses drains by an opening name? – into where

Back 54

the maxillary ostium -> semilunar hiatus -> middle meatus of the nasal cavity

Front 55

The arterial supply of the maxillary sinus is mainly from:

Back 55

superior alveolar branches of the maxillary artery

Front 56

Innervation of the maxillary sinus is from:

Back 56

the anterior, middle, and posterior superior alveolar nerves: branches of CN V2

Front 57

semilunar hiatus location:

Back 57

inferior to the ethmoidal bulla.

Front 58

semilunar hiatus is the opening for what:

Back 58

frontal sinus, maxillary sinus, and anterior ethmoidal sinus.

Front 59

Opening for sphenoid sinus in the lateral wall is called:

Back 59

Sphenoethmoidal recess in

Front 60

Opening for posterior ethmoidal air cells in the lateral wall is found where:

Back 60

Superior meatus

Front 61

Which openings can be found in the Middle meatus of Lateral Wall:

Back 61

opening of the frontal sinus into the infundibulum,

openings of the middle ethmoidal air cells on the ethmoidal bulla,

openings of the anterior ethmoidal air cells and maxillary sinus in the hiatus semilunaris.

Front 62

opening of the nasolacrimal duct into lateral wall can be found where?

Back 62

Inferior meatus

Front 63

Sphenopalatine foramen in Lateral Wall opens into what + transmits:

Back 63

opening into the pterygopalatine fossa; transmits the sphenopalatine artery and nasopalatine nerve.

Front 64

Olfact ory (CN I) Cranial exit:

Back 64

Foramina in Cribriform plate of ethmoid bone

Front 65

The central processes of the bipolar olfactory neurons are collected into bundles to form:

Back 65

approximately 20 olfactory nerves on each side that collectively form the right or left olfactory nerv

Front 66

CN1 enters what after the tiny foramina in the cribriform plate:

Back 66

olfactory bulb

Front 67

The olfactory nerve fibers synapse with what in the olfactory bulb:

Back 67

mitral cells

Front 68

Space on either side of the nasal septum that turn into the 3 meatuses:

Back 68

Common nasal meatus

Front 69

accessory olfactory system

Back 69

Vomeronasal organ - The axons from these neurons project to the accessory olfactory bulb,

Front 70

posterior nasal aperture aka?

Back 70

Choana

Front 71

The choanae are separated by:

Back 71

the vomer bone

Front 72

Choana It is the opening between:

Back 72

the nasal cavity and the nasopharynx.

Front 73

The anterosuperior part of middle nasal meatus leads into:

Back 73

the ethmoidal infundibulum,
an opening through which it communicates with the frontal sinus, via the front onasal duct

Front 74

The ethmoidal bulla a rounded elevation located:

Back 74

superior to the semilunar hiatus, is visible when the middle concha is removed.

Front 75

ethmoidal bulla is formed by:

Back 75

middle ethmoidal cells, which constitute the ethmoidal sinuses

Front 76

The maxillary sinus also opens into:

Back 76

the posterior end of the semilunar hiatus.

Front 77

The arterial supply of the medial and lateral walls of the nasal cavityis from branches of the:

Back 77

sphenopalatine artery,
anterior and posterior ethmoidal arteries,
greater palatine artery,
superior labial artery, and the
lateral nasal branches of the facial artery

Front 78

This area is often where profuse bleeding from the nose occur =?

Back 78

Kiesselbach area - an area rich in capillaries - where all five arteries supplying the septum anastomose

Front 79

nasal mucosa innervation:

Back 79

-posteroinferior half to two thirds of the nasal mucosa is chiefly from CN V2 by way of the nasopalat ine nerve
-posterior lateral nasal branches of the great er palat ine nerve to the lateral wall
-The anterosuperior part of the nasal mucosa (both the septum and lateral wall) is supplied by the anterior ethmoidal nerves, branches of CN V 1

Front 80

Frontal sinus drains through + into:

Back 80

a frontonasal duct into the ethmoidal infundibulum,which opens into the semilunar hiatus of the middle meatus.

Front 81

the anterior ethmoidal cells drains where/how:

Back 81

directly or indirectly into the middle meatus through the infundibulum

Front 82

The middle ethmoidal cells open where/how:

Back 82

directly into the middle meatus.

Front 83

The posterior ethmoidal cells open where/how:

Back 83

directly into the superior meatus.

Front 84

The frontal sinuses are innervated by:

Back 84

branches of the supraorbital nerves (CN V1).

Front 85

The ethmoidal sinuses are innervated by:

Back 85

the anterior and posterior ethmoidal branches of the nasociliary nerves (CN V1).

Front 86

sphenoidal sinuses are supplied/innervated by:

Back 86

The posterior ethmoidal artery and nerve supply

Front 87

Maxillary sinus - Each sinus drains by an opening + into:

Back 87

the maxillary ost ium into the middle meatus of the nasal cavity by way of the semilunar hiatus

Front 88

The arterial supply of the maxillary sinus is mainly from:

Back 88

superior alveolar branches of the maxillary artery;
however, branches of the
greater palatine arterysupply the floor of the sinus.

Front 89

Innervation of the maxillary sinus is from:

Back 89

the anterior, middle, and posterior superior alveolar nerves, branches of CN V2

Front 90

4 parts of nasal cavity:

Back 90

Sphenoethmodial recess, superior,middle and inferior meatus

Front 91

Sphenoethmoidal recess leads to:

Back 91

sphenoidal sinus

Front 92

Superior meatus leads to:

Back 92

posterior ethmoidal sinus

Front 93

Middle meatus parts around int:

Back 93

Semilunar hiatus and ethmoidal bulla

Front 94

Middle meatus leads to:

Back 94

frontal sinus, maxillary sinus and anterior ethmoidal sinuses

Front 95

Inferior meatus gets a duct:

Back 95

nasolacrimal duct