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Anatomy Final > PPF and nasal cavity > Flashcards

PPF and nasal cavity Flashcards

1
Q

identify orange

A

superior orbital fissure

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2
Q

identify green and red

A

green: foramen rotundum
red: pterygoid canal

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3
Q

Identify blue

A

pterygoid process

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4
Q

identify

A

orbital surface of greater wing

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5
Q

identify

A

palatine bone

  • circle: perpendicular plate
  • arrow: horizontal plate
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6
Q

identify #2

A

pterygopalatine fossa

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7
Q

The pterygopalatine fossa communicates laterally with what?

A

Pterygomaxillary fissure (infratemporal fossa)

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8
Q

pterygopalatine fossa communicates posteriorly with what two things?

A
  • foramen rotundum
  • pterygoid canal
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9
Q

pterygopalatine fossa communicates medially with what

A

sphenopalatine foramen -> nasal cavity

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10
Q

pterygopalatine fossa communicates superiorly with what?

A

inferior orbital fissure-> orbit

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11
Q

Pterygopalatine fossa communicates inferiorly with what?

A

palatine canal -> palate/oral cavity

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12
Q

What nerve runs through the pterygopalatine fossa? What are its two main branches

A
  • maxillary nerve
  • zygomatic and infraorbital
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13
Q

What ganglion comes off of the maxillary nerve (CN V2)

A

pterygopalatine ganglion

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14
Q

What nerves come off of the pterygopalatine ganglion? What are their destination?

A
  • greater and lesser palatine nerves -> palatine canal
  • Nasopalatine nerve -> spehnopalatine foramen
  • posterior lateral nasal nerves -> sphenopalatin foramen
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15
Q

Do greater and lesser palatine nerves synapse at pterygopalatine ganglion?

A

No, they pass through and pick up hitchhikers from the ganglion and exit via the palatine canal

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16
Q

The nerve of the pterygoid canal is formed from what two nerves?

A
  • greater petrosal nerve
  • deep petrosal nerve
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17
Q

What is the greater petrosal nerve

A

nerve from facial n. (CN VII) carrying preganglionic, parasympathetic

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18
Q

What is the deep petrosal nerve?

A

Nerve from the internal carotid plexus off of the superior cervical sympathetic ganglion carrying postganglionic sympathetic innervation

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19
Q

Where does the nerve of the pterygoid run through to get to the pterygopalatine ganglion?

A

pterygoid canal

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20
Q

Which nerves of the nerve to pterygoid canal synpase in the pterygopalatine ganglion?

A
  • only parasympathetics: from greater petrosal n.
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21
Q

What arteries run through the pterygopalatine fossa

A

deep branches of maxillary artery

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22
Q

The descending palatine artery off of the maxillary artery parallels what nerves?

A

greater and lesser palatine nerves -> travel through palatine canal

23
Q

The sphenopalatine artery off of the maxillary artery parallels which nerve branch?

A

nasopalatine nerve -> travels through sphenopalatine foramen

24
Q

What two maxillary arteries parallel the posterior lateral nasal and infraorbital nerves respectively?

A

posterior lateral nasal artery -> travels to sphenopalatine foramen

infraorbital artery -> travels to inferior orbital fissure

25
Q

purple

A

maxilla

26
Q

orange

A

ethmoid bone

27
Q

green

A

inferior nasal concha

28
Q

pink

A

sphenoid

29
Q

blue

A

nasal bone

30
Q

arrow

A

lacrimal

31
Q

tan

A

palatine

32
Q

nasal septum is formed from what?

A
  • perpendicular plate of ethmoid
  • Vomer
33
Q

Name the nasal cartilages

A
  • septal
  • alar
  • lateral
34
Q

identify black, green, and yellow

A
  • black: inferior meatus
  • green: middle meatus
  • yellow: superior meatus
35
Q

purple

A

sphenoethmoidal recess

  • opening of sphenoid sinus
36
Q

” a” and “b”

A
  • a: superior concha of ethmoid
  • b: middle concha of ethmoid
37
Q

Name the 4 paranasal sinuses. Which one contains multiple hollow air cells

A
  • frontal
  • ethmoid: has hollow air cells
  • sphenoid
  • maxilla
38
Q

The hiatus semilunaris connects what two openings

A
  • frontonasal duct: opening to frontal sinus
  • opening of the maxillary sinus
39
Q

The sphenoethmoid recess opens into what?

A

sphenoid sinus

40
Q

Ethmoid air cells open into the nasal cavity via what

A

numerous miniscule holes

41
Q

Infectious material is easily trapped in which sinus due the location of its sinus opening

A

maxillary sinus

42
Q

The Choana of the nasal cavity separates what?

A
  • nasal vestibule: outside world
  • nasopharynx
43
Q

What vessels in the nasal cavity are from the internal carotid system

A

ethmoidal branches of the ophthalmic artery

44
Q

what artery off of the facial artery supplies the nose

A

lateral nasal branch off angular artery

45
Q

What branches off of the external carotid artery supply the nose

A
  • lateral nasal a.: from facial
  • sphenopalatine a.: from maxillary a.
  • posterior lateral nasal a.: from maxillary a.
46
Q

Sphenopalatime artery (off maxillary a.) creates an anastamosis with which arteries

A
  • greater palatine artery off of the descending palatine a from the maxillary a.
  • ethmoidal branches of the ophthalmic a.
47
Q

What is kiesselbach’s area

A

highly vascularized area of anastomosis

  • site of many profuse nasal bleeding
48
Q

What 3 cranial nerves are in the nasal cavity. What type of innervation do they bring

A
  • CN I (special sensory)
  • CN V1 (somatic sensory)
  • CN V2 (somatic sensory)
49
Q

olfactory nerve provides what type of innervation to nasal epithelium

A

special sensory (smell)

50
Q

What comes off of the olfactor bulb and goes through the cribriform plate

A

olfactory filaments

51
Q

where is olfactory mucosa

A

restricted to a small area in the superior portion of the nasal cavity inferior to the cribriform plate

52
Q

Ethmoidal branch off of ophthalmic nerve gives off what branch

A

external nasal

53
Q

function of nasopalatine n.

A

innervate nasal septum and anterior region of the palate

Anatomy Final (14 decks)

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