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PART 1 > Head and Neck anatomy > Flashcards

Head and Neck anatomy Flashcards

1
Q

Name the bones of the skull

A 
Frontal 
Parietal 
Temporal 
Spehnoid 
Occipital
zygomatic 
maxillary
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2
Q

Name the sutures of the skill

A

Saggital suture
Coronal suture
Labdoid suture
Frontal suture

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3
Q

What is the pterion a junction of

A

frontal
parietal
sphenoid
temporal bones

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4
Q

What artery overlies the pterion?

A

Middle meningeal artery

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5
Q

What are the parts of the sphenoid bone

A 
lesser wing of sphenoid 
Greater wing of sphenoid 
Lateral pterygoid plate 
Medial pterygoid plate 
Anterior clinoid process
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6
Q

Anterior cranial fossa contents?

A

Foramen caecum (emissary veins from nose to superior saggital sinus)

Cribriform plate (transmits olfactory nerves)

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7
Q

Middle cranial fossa contents (foramina)

A 
Optic canals 
Foramen rotundum 
Foramen ovale 
Foramen spinosum
Foramen lacerum
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8
Q

Foramen rotundum contents?

A

V2 (maxillary branch of trigeminal nerve)

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9
Q

Foramen Ovale contents?

A

All the Ms:
Mandibular nerve
Motor root of trigeminal nerve
Accessory meningeal artery

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10
Q

Foramen spinosum

A

More Ms - Meningeal:

Middle meningeal artery
Middle meningeal vein
Meningeal branch of mandibular vein

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11
Q

Posterior cranial fossa foramina?

A

Internal acoustic meatus
Jugular foramen
Hypoglossal canal
Foramen magnum

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12
Q

Name the 4 sinuses

A

frontal
ethmoid
sphenoidal
maxillary sinus

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13
Q

What is the lymph drainage of the frontal and maxillary sinuses

A

submandibular lymph nodes

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14
Q

What is the lymph drainage of the ethmoid and sphenoid sinuses

A

Retropharyngeal space

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15
Q

Blood supply to frontal
ethmoid
maxilary and sphenoid sinuses

A

frontal –> supraorbital
ethmoid –> ethmoid
maxilary –> infraorbital
sphenoid sinuses –> posterior ethmoid

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16
Q

branches of CCA

A

ICA and ECA

ECA –> facial, lingual , occipital, superficial temporal arteries

17
Q

where does L and R cca arise from

A

L from aortic arch

Right from brachiocephalic artery

18
Q

what level does CCA bifurcates at?

A

C4

19
Q

ICA branches

A

Ophthalmic
Anterior choroidal
Anterior/middle cerebral arteries

20
Q

Label circle of willis

A

https://www.alamy.com/stock-photo-circle-of-willis-labeled-diagram-78697326.html

21
Q

Ophthalmic artery branches?

A

cool cats learn more stats:

Central retinal artery 
Ciliary (long and short posterior)
Lacrimal artery 
Muscular (anterior ciliary)
Supraorbital

Even measly mongrels do so

Ethmoid 
Meningeal 
Medial palpebral 
Dorsal Nasal
Supratrochlear
22
Q

What are the venous sinuses in the brain

A 
superior Saggital sinus 
Inferior saggital sinus 
Transverse sinus
Straight sinus 
Sigmoid sinus
23
Q

Orbit venous drainage

A 
central retinal vein 
supraorbital vein 
vortex veins 
facial vein 
infraorbital vein

ALL to superior ophthalmic vein and inferior ophthalmic vein

24
Q

Cavernous sinus contents?

A 
CN III (occulomotor)
CN IV (trochlear)
V1 
V2
CN VI (Abducen's)
ICA
25
Q

What are the bones of the medial wall of orbit

A

Medial wall :
Ethmoid bone (orbital plate)
Frontal process of maxilla + lacrimal bone

26
Q

What are the bones of the lateral wall of orbit

A 
lateral wall:
frontal bone (zygomatic process) 
Sphenoid bone (greater wing)
Zygomatic bone (orbital surface)
27
Q

What are the bones of the floor of the orbit?

A 
Palatine bone (orbital process)
Maxillary bone (orbital surface)
Zygomatic bone
28
Q

superior orbital fissure contents that are outside the annulus of zinn

A 
LFTs:
Lacrimal nerve (V1)
Frontal nerve (V1)
Trochlear nerve (CN IV)
29
Q

superior orbital fissure contents that are inside the annulus of zinn

A

SINA:
Superior part of the oculomotor nerve (CN III)
Inferior part of occulomotor nerve (CN III)
Nasociliary nerve (CN V1)
Abducen’s nerve (CN VI)

30
Q

S.O.F contents mnemonic

A

Lazy French Tarts sit in naked anticipation - LFT SINA

31
Q

What arteries supply the eyelids

A

Ophtalmic and lacrimal artery

32
Q

What is the nerve supply to the eyelids

A

Upper lid - V1
Lower lid - V2

Motor - CN III and CN VII

33
Q 
How long are the :
Ampulla
Canaliculi 
Lacrimal sac 
Nasolacrimal duct
A

Ampulla 2 mm
Canaliculi 8 mm
Lacrimal sac 10 mm
Nasolacrimal duct 12 mm

34
Q

lacrimal gland innervation and blood supply:

A

Sensory innervation - CN VII
lacrimal and infraorbital artery
ophthalmic vein
lymph - superficial parotid

35
Q

Foramina of cranial nerves -

A 
Olfactory - cribiform plate 
Optic nerve- optic canal 
oculomotor - S.O.F
Trochlear - S.O.F
Trigemnial 
  V1 - SOF
  V2 - foramen rotundum 
  V3 - Foramen ovale 
Abducnes - S.O.F
Facial nerve- stylomastoid foramen 
Acoustic n. - Internal acoustic meatus 
Glossopharyngeal -  jugular foramen 
Vagus - jugular foramen 
Accessory - Jugular foramen 
Hypoglossal - hypoglossal canal

PART 1 (11 decks)

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