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2 RA > 12 Spaces of the Head and Neck > Flashcards

12 Spaces of the Head and Neck Flashcards

1
Q

What is the SMAS?

A

Superficial musculoaponeurotic system

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2
Q

Name the 4 main facial spaces

A

Mandible and below
Cheek and lateral face
midface
pharyngeal and cervical areas

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3
Q

Name 7 suprahyoid spaces

A 
buccal space
masseter space
parapharyngeal space
carotid space
retropharyngeal space
prevertebral space
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4
Q

Name 5 infrahyoid spaces

A 
Anterior cervical space
Visceral space
Carotid space
posterior cervical space
perivertebral space
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5
Q

Name a space traversing the length of the neck

A

carotid space

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6
Q

What does the submandibular fascia contain?

A

submandibular gland

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7
Q

What separates the sublingual and submandibular gland?

A

myohyoid muscle

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8
Q

What contains the parotid gland?

A

masticator facia medially and parotid fascia laterally

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9
Q

What separates the infratemporal space and the pterygomandibular space?

A

lateral pterygoid muscle

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10
Q

There is a space between the temporalis muscle and masseter muscle, what is this divided into?

A

Superficial temporal space

masseteric space

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11
Q

which artery passes through the infratemporal fossa?

What does it also pass through, and what is it joined by?

A

maxillary artery

parotid fascia (CN VII)

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12
Q

Into which primary spaces would molar tooth infection spread?

A

Buccal space

Pterygomandibular space

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13
Q

What separates the buccal space and pterygomandibular spaces?

A

mandible

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14
Q

Where might infection of the buccal space spread?

A

submasseteric space

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15
Q

What space is the pterygomandibular space continuous with?

A

parapharyngeal space

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16
Q

Which cavity is the peritonsilar space

A

intra-orbital cavity

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17
Q

What protects the pterion?

A

temporalis

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18
Q

What is the longest intraosseous canal in the body?

A

Facial canal

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19
Q

how might you divide the supratentorial space?

A

left supratentorial

right supratentorial

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20
Q

What marks the superior and posterior border of the temporal fossa?

A

superior temporal line

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21
Q

What marks the inferior border of the temporal fossa?

A

zygomatic arch

22
Q

What marks the anterior border of the temporal fossa?

A

frontal process of zygoma and zygomatic process of frontal bone

23
Q

What marks the medial border of the temporal fossa?

A

frontal bone
parietal bone
temporal bone
sphenoid bone

24
Q

What marks the lateral border of the temporal fossa?

A

temporal fascia

25
Q

What muscles are within the temporal fossa?

A

temporalis

26
Q

What blood vessel is in the temporal fossa?

A

superficial temporal artery

27
Q

Which nerves are in the temporal fossa?

A 
V3 mandibular nerve
anterior and posterior branches of deep temporal nerve
auriculotemporal nerve
zygomatico temporal nerve
temporal branches of the facial nerve
28
Q

What marks the superior border of the infratemporal fossa?

A

infratemporal surface of greater wing of sphenoid

29
Q

What marks the inferior border of the infratemporal fossa?

A

alveolar border of the maxilla

30
Q

What marks the medial border of the infratemporal fossa?

A

lateral pterygoid plate

31
Q

What marks the lateral border of the infratemporal fossa?

A

there is none lol tricked you xxx

32
Q

Name 4 nerves in the infratemporal fossa

A

V3
Inferior alveolar nerve
buccal nerve
lingual nerve

33
Q

What is the first (main) branch of the maxillary artery?

A

middle meningeal artery

34
Q

How does the middle meningeal artery enter the cranium?

A

foramen spinosum

35
Q

What are the 2 main deep arteries of the infratemporal fossa?

A 
maxillary
middle meningeal (not anterior branch)
36
Q

What is the main superficial artery of the infratemporal fossa?

A

superficial temoral artery

37
Q

What are the main veins of the infratemporal fossa?

A

maxillary vein
middle meningeal vein
pterygoid venous plexus

38
Q

Where might an infection of the pterygoid venouos plexus spread to?

A

cavernous sinus

39
Q

Which ganglion is near the infratemopral region?

A

Otic ganglion

40
Q

Which nerves are affected by a mandibular nerve block?

A

inferior alveolar
lingual
buccal
auriculotemporal

41
Q

Roughly where is the pterygopalatine fossa?

A

lateral to skull posterior to the maxilla

42
Q

What marks the anterior boundary of the pterygopalatine fossa?

A

posterior surface of maxilla

43
Q

What marks the posterior boundary of the pterygopalatine fossa?

A

pterygoid process

44
Q

What marks the medial boundary of the pterygopalatine fossa?

A

perpendicular plate of the palatine bone

45
Q

What marks the lateral boundary of the pterygopalatine fossa?

A

pterygomaxillary fissure

46
Q

How does the pterygopalatine fossa communicate with the infratemporal fossa?

A

pterygomaxillary fissure

47
Q

How does the pterygopalatine fossa communicate with the middle cranial fossa?

A

via foramen rotundum

48
Q

How does the pterygopalatine fossa communicate witht eh nasal cavity?

A

sphenopalatine foramen

49
Q

How does the pterygopalatine fossa communicate with the orbital cavity?

A

inferiro orbital fissure

50
Q

How does the pterygopalatine fossa communicate witht eh palate?

A

greater palatine canal

51
Q

How does the pterygopalatine fossa communicate with the nasopharynx?

A

pharyngeal and pterygoid canals

2 RA (12 decks)

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