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CHI280 - Human Anatomy 1 > Lecture 2: skull and face > Flashcards

Lecture 2: skull and face Flashcards

0
Q

What goes through the optic canal?

A

Optic nerve and the ophthalmic artery

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1
Q

What goes through the cribriform plate?

A

Olfactory nerve bundles

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2
Q

What goes through the superior orbital fissure?

A

Oculomotor,trochlear, opthalamic of trigeminal, abducens (3,4,5,6)

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3
Q

What goes through the Foramen Rotundum?

A

Maxillary nerve ( of trigeminal )

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4
Q

What goes through foremen ovale?

A

Mandibular nerve ( of trigeminal ), lesser petrosal nerve and the accessory meningeal artery

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5
Q

What goes through foremen spinosum? Hint: Four sections of the spine

A 
Mandibular nerve ( of trigeminal ) 
middle meningeal artery and vein
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6
Q

What goes through the foremen lacerum?

A

Filled with cartilage in life

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7
Q

What goes through the carotid canal?

A

Internal carotid artery and the internal carotid nerve plexus

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8
Q

What goes through the Internal acoustic meatus?

A

Facial nerve, Vestibulocochlear nerve and labyrinthine artery

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9
Q

What goes through the Jugular foremen?

A

glossopharyngeal, vagus, spinal accessory ( 9,10,11),

sigmoid sinus
Posterior meningeal artery

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10
Q

What goes through the Hypoglossal canal?

A

Hypoglossal nerve

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11
Q

What goes through the Foremen magnum?

A

Medulla oblongata
Meninges
Vertebral arteries
Spinal accessory spinal roots CNXI

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12
Q

Name the three fontanelle

A

Anterior
Sphenoid
Mastoid

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13
Q

What is the bregma

A

Junction of the coronal and sagital sutures

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14
Q

What is the pterion

A

Junction between the sphenoid, parietal, frontal and temporal bones

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15
Q

What is the lambda

A

Junction between the sagital suture and the lambdoid suture

16
Q

Obliteration of cranial sutures

A

Internal - 30-40 y/o

External 40-50 y/o

17
Q

What lies behind the pterion

A

Middle meningeal artery ( frontal branch)

18
Q

Muscles of facial expression are innervated by what nerve?

A 
Facial nerve, has 5 branches:
Temporal
Zygomatic
Buccual
Marginal mandibular 
Cervical
19
Q

Orbicularis oris innervated by?

A

Buccal nerve

Marginal mandibular nerve

20
Q

Orbicularis oculi Innervation?

A

Temporal nerve

Zygomatic nerve

21
Q

Buccinator Innervation?

A

Buccal nerve

22
Q

Platysma Innervation?

A

Cervical nerve

23
Q

Occipitofrontalis Innervation?

A

Temporal nerve

24
Q

Injury of the facial nerve results in what?

A

Bell’s palsy: outer corner of eyelid and mouth will droop on the affected side

25
Q

Muscles of mastication are innervated by what nerve

A

Mandibular branch of Trigeminal

26
Q

What are the 4 muscles of mastication

A

Medial pterygoid
Lateral pterygoid
Masseter
Temporlis

27
Q

Blood supply of the muscles of mastication

A

Maxillary artery

28
Q

Parotid salivary gland Innervation

A

Sensory - auriculotemporal and great auricular
Parasympathetic- glossopharyngeal
Sympathetic- external carotid nerve plexus

29
Q

Temporalis: Origin and insertion

A

Origin: Temporal lines on the parietal bone of the skull
Insertion: Coronoid process of the mandible

30
Q

Medial pterygoids: Origin and insertion

A

Origin: lateral pterygoid plate and maxillary tuberosity and the pyramidal process of the palatine bone.
Insertion: medial angle of the mandible

31
Q

Lateral pterygoid: origin and Insertion

A

Origin: Great wing of sphenoid and pterygoid plate
Insertion: Condyloid process of the mandible

32
Q

Masseter: origin and insertion

A

Origin: zygomatic arch and maxilla
Insertion: coronoid process and ramus of mandible

CHI280 - Human Anatomy 1 (22 decks)

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