Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Orofacial Anatomy > Pterygopalatine Fossa > Flashcards

Pterygopalatine Fossa Flashcards

1
Q

bony boundaries of pterygomaxillary region

A

1) maxilla
- anterior
2) sphenoid
- posterior and superior
3) palatine
- medially and inferiorly
4) pterygoid plates
- buttress the face
5) sphenopalatine foramen
6) pterygomaxillary fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

sphenoid bone anatomy

A

1) foramen rotundum
2) foramen for nerve of pterygoid canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

boundaries of pterygopalatine fossa anterior

A

1) maxillary tuberosity
2) inferior orbital fissure
3) PSA foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

boundaries of pterygopalatine fossa posterior

A

1) pterygoid process of sphenoid
2) foramen rotundum
3) pterygoid canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

lateral boundary of pterygopalatine fossa

A

1) pterygomaxillary fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

medial boundary of pterygopalatine fossa

A

1) vertical part of palatine
2) sphenopalatine foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

superior boundary of pterygopalatine fossa

A

sphenoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

inferior boundary of pterygopalatine fossa

A

1) palatine bone
2) palatine canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

CN V2 branches

A

1) meningeal
2) ganglionic
3) zygomatic
- zygomaticofacial and temporal
4) posterior superior alveolar
5) alveolar
- superior alveolar plexus
6) infraorbital
- anterior superior alveolar
- middle superior alveolar
- cutaneous branches (inferior palpebral, lateral nasal, superior labial)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

pterygo(spheno)palatine ganglion

A

1) nasopalatine ganglion
2) posterior lateral nasal
3) pharyngeal
4) greater palatine
5) lesser palatine
5) nasopalatine
6) anterior ethmoidal V1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

preganglionic parasympathetics

A

1) from superior salivatory nucleus with CN VII
2) but branch off as greater petrosal nerve
3) ONLY PRESYNAPTIC PARASYMPATHETIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

postganglionic sympathetics

A

1) leave internal carotid plexus as the deep petrosal
2) purely sympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

nerve of the pterygoid canal

A

1) it is composed of both greater and deep petrosal
2) these supply the minor nasal, palatal, and pharyngeal and lacrima lglands
- also nasal and pharyngeal mucosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

sympathetics to the lacrimal gland

A

1) presynaptic fibers from CN VII
2) postsynaptic parasympathetic fibers from the pterygopalatine ganglion via zygomatic nerve (V2) and communicating branch to gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

maxillary artery

A

1) posterior superior alveolar artery
2) infraorbital artery
3) sphenopalatine (nasopalatine) artery
4) artery of pterygoid canal
5) descending palatine artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

posterior superior alveolar artery

A

1) pulp of molars/premolars
2) mucosa of maxillary sinus
3) vestibular gingiva molar / premolar region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

infraorbital artery

A

1) branches
- middle and anterior superior alveolar arteries
- pulp maxillary incisors, canines
- mucosa of anterior wall of maxilla

18
Q

sphenopalatine artery

A

1) posterior lateral nasal artery
2) septal artery

19
Q

venous drainage

A

1) vein names and locations correspond to the branches of maxillary artery
2) drain to pterygoid venous plexus

20
Q

nasal cavity relationships

A

1) inferior
-palate / oral cavity
2) superior
- anterior cranial fossa
2) anterior
- nares / vestibule
4) posterior
- choanae / nasopharynx
5) *rhinitis / rhinorrhea
- inflammation and postnasal drip

21
Q

external nose

A

1) bones and cartilages
2) bones
- nasal bones
- maxillae (frontal processes
3) cartilages
- septal
- lateral
- greater (major) alar

22
Q

nasal cavity relationships

A

1) ethmoidal aircells and orbits
2) maxillary sinuses

23
Q

nasalis muscle

A

1) trasverse compressor and alar dilator portion
- GSE CN VII

24
Q

cutaneous innervation of nasal cavity

A

1) CN V1-2

25
Q

three major arteries of nasal cavity

A

1) ophthalmic artery
- dorsal and external nasal
2) maxillary artery
- infraorbital
3) facial artery
- lateral nasal

26
Q

osteology of nasal cavity

A

1) roof
- frontal
- nasals
- ethmoid
- sphenoid
2) floor
- hard palate
- maxillae (palatal processes; incisive canal)
- palatines (horizontal portion)

27
Q

osteology of nasal septum

A

1) ethmoid
2) septal cartilage
3) vomer
4) puncture
- very thin
- can puncture through
- CSF rhinorrhea
5) surgical approach to pituitary gland
- deviated septum (congenital vs deviation)

28
Q

osteology of lateral nasal wall

A

1) maxilla
2) lacrimal
3) ethmoid (superior and middle conchae)
4) inferior nasal concha
5) palatine
- sphenopalatine foramen
- palatine canal
6) sphenoid
- medial pterygoid plate
- hamulus

29
Q

nasal mucosa

A

1) nasal septum
2) lateral wall
- nasal conchae or turbinate
- superior / middle / inferior meatus

30
Q

blood supply to nasal cavity

A

1) ophthalmic artery
- anterior ethmoidal and posterior ethmoidal
2) maxillary artery
- sphenopalatine
- posterior septal / posterior lateral nasal
3) venous drainage
- ophthalmic vein
- pterygoid plexus
4) CC: epistasis / nosebleed

31
Q

GSA innervation of nasal cavity

A

1) ophthalmic nerve
- CN V1
- anterior ethmoidal
- external nasal
2) maxillary nerve
- CN V2
- nasopalatine
- posterior lateral nasals

32
Q

innervation special sensory to nasal cavity

A

1) olfactory nerve (CN I)

33
Q

paranasal sinuses

A

1) frontal, maxillary, ethmoidal, sphenoidal sinuses

34
Q

sinus development

A

1) pneumatization
- nasal mucosa erodes surrounding bones, creating cavities
2) opening = ostium
3) function of sinuses

35
Q

maxillary sinus

A

1) drainage
- maxillary ostium to the semilunar hiatus
2) nerve and blood supply
- anterior, middle, and posterior superior alveolar nerves and arteries
- venous drainage to pterygoid plexus
3) CC: maxillary sinusitis and drainage
- referred pain (to maxillary teeth)
- oral-antral fistula
- sinus lift (augmentation) surgery

36
Q

sinus drainage into lateral nasal wall

A

1) frontal and maxillary sinuses
- hiatus semilunaris
2) sphenoid sinus
- sphenoethmoidal recess
3) posterior ethmoid cells
- superior meatus
4) nasolacrimal duct
- inferior meatus
5) anterior ethmoidal air cells
- ethmoidal bulla

37
Q

frontal sinus

A

1) location
- between the cortical layers of frontal bone, behind superciliary arches
2) drainage
- via infundibulum to hiatus semilunaris
3) innervation
- supraorbital nerve V1

38
Q

ethmoid air cells

A

1) location
- 3-18 interconnecting compartments (cells) within the ethmoid
2) drainage
- posterior cells: superior meatus
- anterior and middle cells: middle meatus (bulla and hiatus semilunaris)
3) innervation
- anterior and posterior ethmoidal nerves (V1)

39
Q

sphenoidal sinus

A

1) location
- body sphenoid bone
2) relationship
- optic chiasm, pituitary fossa, cavernous sinus, internal carotid artery
3) drainage
- sphenoethmoidal recess
4) innervation
- posterior ethmoidal nerve
- V1 and superior pharyngeal nerve V2

40
Q

maxillary sinus

A

1) location
- in body of maxilla
2) posterior
- infratemporal fossa
- posterior superior alveolar foramina
3) roof
- orbit
- infraorbital canal
4) anterior
- face
- anterior superior alveolar canal
5) medial
- nasal cavity
6) inferior
- upper teeth

Orofacial Anatomy (26 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions