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Neuroanatomy and Clinical Neurology > Skull Osteology > Flashcards

Skull Osteology Flashcards

1
Q

What bones make up the Neurocranium (skull)?

A

Frontal
Parietal
Temporal
Occipital
Sphenoid
Ethmoid
Zygomatic

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2
Q

What bones make up the Viscerocranium (Facial Skeleton)?

A

Lacrimal
Nasal
Maxillae
Zygomatic
Palatine
Nasal Conchae
Mandible
Vomer

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3
Q

What are the sutures of the skull?

A

Coronal
Lambdoid
Sagital
Pterion

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4
Q

What is Craniosynostosis?

A

the premature, pathologic ossification of one or more cranial sutures leading to skull deformities.

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5
Q

What are the contents of the Infratemporal Fossa?

A

Inferior part of the temporalis muscle
Lateral and medial pterygoid muscles
Maxillary artery
Pterygoid venous plexus
Mandibular nerve
Inferior alveolar nerve
Lingual nerve
Buccal nerve
Chorda tympani nerve
Otic ganglion

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6
Q

What is CN1?

A

Olfactory

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7
Q

What is CN2?

A

Optic

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8
Q

What is CN3?

A

Oculomotor

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9
Q

What is CN4?

A

Trochlear

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10
Q

What is CN5 and pathways?

A

Trigeminal - Ophthalmic
Trigeminal - Maxillary
Trigeminal - Mandibular

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11
Q

What is CN6?

A

Abducens

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12
Q

What is CN 7?

A

Facial

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13
Q

What is CN 8?

A

Vestibulocochlear

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14
Q

What is CN9?

A

Glossopharyngeal

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15
Q

What is CN10?

A

Vagus

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16
Q

What is CN 11?

A

Spinal accessory

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17
Q

What is CN12?

A

Hypoglossal

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18
Q

What is the foramen/canal/fissure of CN1?

A

Cribriform foramina

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19
Q

What is the foramen/canal/fissure of CN2?

A

Optic canal

20
Q

What is the foramen/canal/fissure of CN3?

A

Superior orbital fissure

21
Q

What is the foramen/canal/fissure of CN4?

A

Superior orbital fissure

22
Q

What is the foramen/canal/fissure of CN5 V1?

A

Superior orbital fissure

23
Q

What is the foramen/canal/fissure of CN5 V2?

A

Foramen Rotundum

24
Q

What is the foramen/canal/fissure of CN5 V3?

A

Foramen ovale

25
Q

What is the foramen/canal/fissure of CN6?

A

Superior orbital fissure

26
Q

What is the foramen/canal/fissure of CN7?

A

Internal auditory meatus

27
Q

What is the foramen/canal/fissure of CN8?

A

Internal auditory meatus

28
Q

What is the foramen/canal/fissure of CN9?

A

Jugular Foramen

29
Q

What is the foramen/canal/fissure of CN10?

A

Jugular Foramen

30
Q

What is the foramen/canal/fissure of CN11?

A

Jugular Foramen

31
Q

What is the foramen/canal/fissure of CN12?

A

Hypoglossal canal

32
Q

What is the function of CN1?

A

Olfactory = smelling

33
Q

What is the function of CN2?

A

Vision

34
Q

What is the function of CN3?

A

Extraocular muscles; except those innervated by CN IV+VI. Parasympathetics to pupil constrictor and ciliary muscles of lens for near vision

35
Q

What is the function of CN4?

A

Superior oblique eye muscle; causes the eye to move downward and to rotate inward (depression and intorsion)

36
Q

What is the function of CN5 V1?

A

Provides sensation to eyelid, cornea and forehead area above eye

37
Q

What is the function of CN5 V2?

A

Sensation from skin of face over maxilla, including upper lip, maxillary teeth, mucosa of nose, maxillary sinuses and palate

38
Q

What is the function of CN5 V3?

A

Sensation from the skin over the mandible, including lower lip, side of head, mandibular teeth, temporomandibular joint, mucosa of mouth and anterior 2/3rd of tongue.
Motor to muscles of mastication; Mylohyoid, anterior belly of digastric, tensor veli palatini, tensor tympani.

39
Q

What is the function of CN6?

A

Lateral rectus muscle; causes ABduction of the eye

40
Q

What is the function of CN7?

A

Muscles of facial expression, also stapedius muscle and part of digastric; taste from anterior 2/3rd of tongue, sensation from a region near the ear; parasympathetics causing lacrimation (tears) and supplying the submandibular and sublingual salivary glands.

41
Q

What is the function of CN8?

A

Hearing; vestibular sensation

42
Q

What is the function of CN9?

A

Motor control of Stylopharyngeus muscle; taste from posterior 3rd of tongue.
Sensation from posterior pharynx, and from region near the ear, chemo- +baroreceptors of the carotid body; parasympathetic to the parotid gland

43
Q

What is the function of CN10?

A

Pharyngeal muscles (swallowing); laryngeal muscles (voicebox). Parasympathetics to the heart, lungs and digestive tract up to splenic flexure; taste from epiglottis and pharynx; sensation from pharynx, posterior meninges and region near the ear; aortic arch chemo - +baroreceptors.

44
Q

What is the function of CN11?

A

Sternomastoid muscle; upper part of trapezius muscle

45
Q

What is the function of CN12?

A

Intrinsic muscles of the tongue

Neuroanatomy and Clinical Neurology (16 decks)

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