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Sp24 - Head/Neck Anatomy > (E4) 3 - The Nasal Cavity > Flashcards

(E4) 3 - The Nasal Cavity Flashcards

Fisher

1
Q

Function of the nose

A

Breathing and Olfaction

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2
Q

Describe the nose’s respiratory epithelium

A
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3
Q

Describe the Root portion of the nose (including the 3 bones that make it up)

A
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4
Q

Describe the Dorsum and Apex of the nose (including the cartilages that compose it)

A
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5
Q

What 3 arteries supply the external nose?

A
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6
Q

Dorsal Nasal Artery: Origin, Path, and Supplies

A
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7
Q

External Nasal Artery: Origin, Path, and Supplies

A
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8
Q

Septal and Alar Artery Branches: Origin and Supplies

A
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9
Q

Nasal Branch A.: Origin and Supplies

A
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10
Q

Lateral Nasal Artery: Origin and Supplies

A
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11
Q

What is the venous drainage of the external nose?

A

Facial vein and pterygoid plexus

(related to cavernous sinus)

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12
Q

What main two divisions supply the nasal cavity with sensory innervation?

A

V1 and V2

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13
Q

What branches of V1 supply sensory innervation to the nasal cavity?

A
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14
Q

What branch of V2 supplies sensory innervation to the nasal cavity?

A
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15
Q

Nasal Cavity Sensory Innervation: External Nasal (Origin and Supplies)

A
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16
Q

Nasal Cavity Sensory Innervation: Lateral Internal Nasal (Origin and Supplies)

A
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17
Q

Nasal Cavity Sensory Innervation: Infratrochlear N. (V1) (Origin and Supplies)

A
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18
Q

Nasal Cavity Sensory Innervation: Nasal Branch N. (V2) (Origin and Supplies)

A
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19
Q

The nasal cavity is divided into 2 separate chambers by _____

A

nasal septum

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20
Q

What is the piriform aperture? (nasal cavity)

A
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21
Q

What are choanae?

A
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22
Q

Describe the lateral walls in the nasal cavity.

A
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23
Q

What are the bony and cartilaginous parts that make up the nasal septum?

A
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24
Q

Describe the mucosa of the nasal cavity. (epithelium and exception - 2 main types)

A
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25
Q

Describe the respiratory mucosa of the nasal cavity.

A

inferior 2/3
* Warms and moistens air

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26
Q

Describe the olfactory mucosa of the nasal cavity.

A

superior 1/3
* Contains peripheral organs of
smell
* Below cribriform plate

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27
Q

Nasal Cavity Relations: Superior

A
  • frontal and sphenoid sinusses
  • anterior cranial fossa and contents
28
Q

Nasal Cavity Relations: Inferior

A

Hard palate

29
Q

Nasal Cavity Relations: Medial

A
  • nasal septum
  • other half of nasal cavity
30
Q

Nasal Cavity Relations: Lateral

A
  • maxillary and ethmoidal sinuses
  • orbit
  • pterygopalatine fossa
31
Q

Nasal Cavity Boundaries: Anterior

A

External nose

32
Q

Nasal Cavity Boundaries: Posterior

33
Q

Nasal Cavity Boundaries: Superior

A
  • Nasal, frontal, ethmoid, and body of sphenoid bones
34
Q

Nasal Cavity Boundaries: Inferior

A
  • Palatine process - maxilla
  • Horizontal plate - palatine bones
35
Q

Nasal Cavity Boundaries: Medial Wall

A

Nasal septum (vomer, perpendicular
plate ethmoid bone, septal cartilage)

36
Q

Nasal Cavity Boundaries: Lateral Wall (bracket)

A

Maxilla, nasal conchae, perpendicular
plate palatine, medial pterygoid plate
sphenoid, and lacrimal bones

37
Q

What are nasal conchae?

A

Scroll-like structures on lateral wall
*Surface area for heat exchange

38
Q

Describe the 3 nasal conchae (name them and what forms them)

39
Q

What are nasal meatuses?

A
  • Recesses that underlie each nasal concha
  • Receive drainage from paranasal sinuses
    and nasolacrimal duct
40
Q

Describe the sphenoethmoidal meatus.

A
  • lies superoposterior to superior concha
41
Q

Describe the superior meatus.

A
  • narrow passage between superior and middle nasal conchae
42
Q

Describe the middle meatus.

A
  • Longer and deeper than superior
  • Between middle and inferior conchae
43
Q

Describe the inferior meatus.

A
  • Inferolateral to inferior concha
  • Receives nasolacrimal duct
44
Q

What are the contents of the middle meatus?

A
  • ethmoid bulla
  • semilunar hiatus
45
Q

What is the ethmoid bulla?

46
Q

What is the semilunar hiatus?

47
Q

Anterior and posterior ethmoidal aa.: Origin and Branches

48
Q

Anterior and posterior ethmoidal aa.: Supplies

49
Q

Sphenopalatine A.: Origin and Branches

50
Q

Sphenopalatine A.: Supplies

51
Q

Greater Palatine A.: Origin and Supplies

52
Q

Superior Labial A.: Origin, Branches, and Supplies

53
Q

What is Kisselbach’s Plexus, and what arteries form it?

54
Q

What nerve supplies SVA for olfaction?

A

CN I - Olfactory N.

55
Q

What nerve supplies GSA for general sensation to the nasal cavity?

A

Ophthalmic and Maxillary Divisions of CN V

56
Q

Anterior Ethmoidal N.: Origin and Branches

57
Q

Anterior Ethmoidal N.: Supplies

58
Q

Nasopalatine N.: Origin and Supplies

59
Q

Posterior Superior Lateral Nasal N.: Origin and Supplies

60
Q

Nasal Branch (V2): Origin and Supplies

61
Q

Posterior Inferior Lateral Nasal N. (V2): Origin and Supplies

62
Q

What is epitaxias?

63
Q

Causes of Epitaxis

64
Q

Describe Anterior Epitaxis and Treatment

65
Q

Describe treatment for Posterior Epitaxis

66
Q

Describe Deviated Septum - What is it? Causes? Treatment?

Sp24 - Head/Neck Anatomy (21 decks)

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