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GBA Anatomy > Viscerocranium - Connections and Borders GBA > Flashcards

Viscerocranium - Connections and Borders GBA Flashcards

Cranial Nerves in separate Deck

1
Q

Orbit - Posterior Ethmoidal Canal

From where to where, Contents?

A

Orbit - Posterior Ethmoidal Canal
Posterior Ethmoidal Air Cells and Sphenoid Sinus
Posterior Ethmoidal VAN

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2
Q

Nasal Cavity: Semilunar Hiatus - Location?

From where to where?

A

Nasal Cavity:Semilunar Hiatus

Located in the Middle Nasal Meatus, Btw Uncinate Process and Ethmoidal Bulla.

Anteriorly - Ethmoidal Infundibulum to Frontal Sinus
Posteriorly - Aperture to Maxillary Sinus

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3
Q

Tympanic Cavity - Anterior Wall:

Structures and Connections

A

Tympanic Cavity - Anterior Wall:

1) Musculotubarian Canal (Tensor Tympani+E.Tube)
2) Lesser Petrosal Nerve Canal to Middle Cranial Fossa
3) Caroticotympanic Canaliculus (Sym. Plexus + Artery)
4) Petrotympanic Fissure - Chorda Tympani Nerve Exit

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4
Q

Nasal Cavity: Incisive Canal

From where to where, Contents?

A

Nasal Cavity: Incisive Canal
From Common Nasal Meatus to Oral Cavity
Nasopalatine VAN (from Maxillary Nerve)

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5
Q

Orbit - Optic Canal

From where to where, Contents?

A

Orbit - Optic Canal
From Middle Cranial Fossa
Optic Nerve and Opthalmic Artery

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6
Q

Oral Cavity: Mandibular Canal

From where to where, Contents?

A

Oral Cavity: Mandibular Canal
From Mandibular Foramen to Mental Foramen
Inferior Alveolar VAN

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7
Q

Nasal Cavity: Connection of Superior Nasal Meatus

From where to where, Contents?

A

Nasal Cavity: Connection of Superior Nasal Meatus

to Posterior Ethmoidal Air cells

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8
Q

Nasal Cavity: Sphenopalatine Foramen

From where to where, Contents?

A

Nasal Cavity: Sphenopalatine Foramen
From Common Nasal Meatus to Pterygopalatine Fossa
Superior posterior nasal Nerves (from Nasopalatine V2)
Sphenopalatine Artery

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9
Q

Tympanic Cavity - Posterior Wall:

Structures and Connections

A

Tympanic Cavity - Posterior Wall:

1) Canaliculus of Chorda Tympani - From Facial Canal
2) Facial Canal
3) Antrum for Mastoid Air Cells
4) Pyramidal Eminence for Stapedius Muscle

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10
Q

Borders and Bones of the Orbit

A

Borders and Bones of the Orbit:
Superior - Frontal
Inferior- Zygomatic and Maxilla
Lateral - Zygomatic, Sphenoid and Frontal
Medial - Lacrimal, Palatine, Maxilla and Sphenoid
(Posterior is all of the following except lacrymal)

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11
Q

Oral Cavity: Incisive Canal

From where to where, Contents?

A

Oral Cavity: Incisive Canal
From Common Nasal Meatus to Oral Cavity
Nasopalatine VAN (from Maxillary Nerve)

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12
Q

Orbit - Anterior Ethmoidal Canal

From where to where, Contents?

A

Orbit - Anterior Ethmoidal Canal
Anterior cranial Fossa
Anterior Ethmoidal VAN

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13
Q

Orbit - Superior Orbital Fissure
From where to where, Contents?
Not in common tendon ring

A

Orbit - Superior Orbital Fissure
From Middle cranial fossa
Not in common tendon ring - Frontal, Trochlear, Lacrimal Branches of CNV1 and Superior Opthalmic vein
(LFTS)

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14
Q

Orbit - Aditus Orbitae

From where to where, Contents?

A

Orbit - Aditus Orbitae

to Face

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15
Q

Nasal Cavity: Cribriform Plate and Foramina

From where to where, Contents?

A

Nasal Cavity : Cribriform Plate and Foramina
From Common Nasal Meatus to Anterior Cranial Fossa
Olfactory Nerve and Anterior Ethmoidal VAN

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16
Q

Tympanic Cavity - Inferior Wall:

Structures and Connections

A

Tympanic Cavity - Inferior Wall:

1) Tympanic Canaliculus - Nerve from Fossula Petrosa
2) Styloid Process Impression

17
Q

Emissary Veins goes through which 4 Canaliculi?

A

Emissary Veins goes through:

Parietal, Occipital, Condylar and Mastoid Canaliculi

18
Q

Orbit - Inferior Orbital Fissure: Posteromedial Part

From where to where, Contents?

A

Orbit - Inferior Orbital Fissure: Posteromedial Part
to Pterygopalatine Fossa
Infraorbital and Zygomatic Nerves (V2)
Inferior Ophthalmic Vein

19
Q

Orbit - Zygomatic Canal (Zygomatico-Orbital foramen)

From where to where, Contents?

A

Orbit - Zygomatic Canal (Zygomatico-Orbital foramen)
Zygomaticofacial Nerve canal to face
Zygomaticotemporal Nerve canal to Temporal Fossa

20
Q

Nasal Cavity: Connection of Middle Nasal Meatus
From where to where, Contents?
*Not going through Semilunar Hiatus

A

Nasal Cavity: Connection of Middle Nasal Meatus

Anterior and Middle Ethmoidal Air cells

21
Q

Musculotubarian Canal

From where to where, Contents?

A

Musculotubarian Canal
From External base of the Skull to Tympanic Cavity
Superior Semicanal - Tensor Tympani Muscle
Inferior Semicanal - Eustachian Tube

22
Q

Nasal Cavity: Sphenoid Recess

From where to where, Contents?

A

Nasal Cavity: Sphenoid Recess

From Common Nasal Meatus to Sphenoid Sinus

23
Q

Orbit - Frontal Notch

From where to where, Contents?

A

Orbit - Frontal Notch
Supraorbital Region - Forehead
Frontal Nerve

24
Q

Nasal Cavity: Nasolacrimal Canal

From where to where, Contents?

A

Nasal Cavity: Nasolacrimal Canal
From Inferior Nasal Meatus to Orbit
Nasolacrimal Duct (Lacrimal Gland Fluid)

25
Q

Orbit - Superior Orbital Fissure
From where to where, Contents?
*in common tendon ring *

A

Orbit - Superior Orbital Fissure
From Middle cranial fossa
In common ring - oculomotor (Sup+Inf) (CNIII)
Nasociliary nerve (branch of ophthalmic nerve)
Abducens nerve (CNVI)
(SANI)

26
Q

Orbit - Infraorbital Canal

From where to where, Contents?

A

Orbit - Infraorbital Canal
Face, Canine Fossa
Infraorbital VAN

27
Q

Pterygopalatine Fossa - Borders

A 
Pterygopalatine Fossa Borders:
Superiorly - Sphenoid Greater Wing
Medially - Palatine Perpendicular Plate
Laterally - Pterygomaxillary Fissure
Posteriorly - Pterygoid Process
Anteriorly - Tuber of Maxilla
28
Q

Orbit - Supraorbital Foramen

From where to where, Contents?

A

Orbit - Supraorbital Foramen
Supraorbital Region - Forehead
Supraorbital Nerve

29
Q

Infratemporal Fossa - 7 Connections

A

7 Connections to the Infratemporal Fossa:

1) Pterygomaxillary Fissure
2) Inferior Orbital Fissure (Anterolateral Part)
3) Foramen Ovale
4) Foramen Spinosum
5) Petrotympanic Fissure
6) Alveolar Foramina
7) Petrosquamous Fissure

30
Q

Pterygopalatine Fossa - 6 Connections

A

Pterygopalatine Fossa - Connections:

1) Sphenopalatine Foramen
2) Greater and Lesser Palatine Foramina
3) Pterygomaxillary Fissure
4) Foramen Rotundum
5) Inferior Orbital Fissure
6) Pterygoid Canal

31
Q

Oral Cavity: Greater and Lesser Palatine Canals

From where to where, Contents?

A

Oral Cavity: Greater and Lesser Palatine Canals
To Pterygopalatine Fossa
Greater and Lesser Palatine Nerves
Descending Palatine Artery

32
Q

Orbit - Inferior Orbital Fissure: Anterolateral Part

From where to where, Contents?

A

Orbit - Inferior Orbital Fissure: Anterolateral Part
to Infratemporal Fossa
Infraorbital Artery and Vein

33
Q

Borders and Bones of the Nasal Cavity

Septum forming bones

A

Borders and Bones of the Nasal Cavity:
Superior - Nasal, Ethmoid, Sphenoid, Frontal
Inferior - Palatine and Maxilla
Lateral - lacrymal, Ethmoid, Maxilla, Palatine, Nasal and Inferior nasal Concha (Separate bone)

Perpendicular plates - Vomer, Ethmoid and Palatine

34
Q

Nasal Cavity: Choana

From where to where, Contents?

A

Nasal Cavity: Choana

From Common Nasal Meatus to Nasopharynx

35
Q

What are the 3 canals coming off the Facial Canal?

Where does the Facial Nerve Exits?

A

Facial Canal:
-Canal for the Greater Petrosal Nerve to Middle C. Fossa
-Stapedius Canal to Tympanic Cavity
-Canaliculus Chorda Tympani to Tympanic Cavity
Facial Nerve Exits in Stylomastoid foramen.

36
Q

Nasal Cavity: Piriform Aperture

From where to where, Contents?

A

Nasal Cavity: Piriform Aperture

From Common Nasal Meatus to Face

37
Q

Orbit - Nasolacrimal Canal

From where to where, Contents?

A

Orbit - Nasolacrimal Canal
From Inferior Nasal Meatus to Orbit
Nasolacrimal Duct (Lacrimal Gland Fluid)

38
Q

What passes through foramen Ovale?

A

Mandibular Nerve
Accessory Meningeal Artery
Lesser Petrosal Nerve

39
Q

Superior Ophthalmic Vein importance clinically?

A

Runs through Superior Orbital fissure (outside ring).

Anastomosis with Angular vein (from facial) - Infection from face spread to skull interior.

GBA Anatomy (17 decks)

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