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From Flashcardlet > Anatomy Block 4 > Flashcards

Anatomy Block 4 Flashcards

0
Q

What structure(s) go through the foramen lacerum?

A

greater petrosal n.

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1
Q

What structure(s) go through the incisive fossa?

A

nasopalatine n. and sphenopalatine vessels

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2
Q

What structure(s) go through the foramen spinosum?

A

middle meningeal vessels and meningeal branch of mandibular nerve

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3
Q

What structure(s) go through the carotid canal?

A

internal carotid artery and carotid autonomic plexus

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4
Q

What structure(s) go through the petrotympanic fissure?

A

Chorda tympani of facial n.

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5
Q

What structure(s) go through the tympanic canaliculus?

A

tympanic branch of glossopharyngeal nerve

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6
Q

What structure(s) go through the mastoid canaliculus?

A

auricular branch of vagus nerve

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7
Q

What structure(s) go through the stylomastoid foramen?

A

facial n.

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8
Q

What structure(s) go through the jugular fossa?

A

glossopharyngeal n., vagus n., accessory n., superior bulb, internal jugular vein

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9
Q

What structure(s) go through the mastoid foramen?

A

mastoid emissary vein and posterior meningeal artery

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10
Q

What structure(s) go through the hypoglossal canal?

A

hypoglossal nerve

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11
Q

What structure(s) go through the foramen magnum?

A

medulla oblongata, meninges, vertebral arteries and venous plexus, meningeal branches of vertebral arteries, spinal roots of accessory nerves

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12
Q

What structure(s) go through foramen cecum?

A

emissary vein to superior sagittal sinus

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13
Q

What structure(s) go through the nasal slit and anterior ethmoidal foramen?

A

anterior ethmoidal artery, vein, and nerve

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14
Q

What structure(s) go through the foramina of cribiform plate?

A

olfactory nerves

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15
Q

What structure(s) go through the optic canal?

A

optic nerve and ophthalmic artery

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16
Q

What structure(s) go through the superior orbital fissure?

A 
oculomotor n.
trochlear n.
lacrimal, frontal, and nasociliary branches of ophthalmic n.
abducent n.
superior ophthalmic vein
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17
Q

What structure(s) go through the foramen rotundum?

A

maxillary n.

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18
Q

What structure(s) go through the foramen ovale?

A

mandibular n.
accessory meningeal artery
lesser petrosal n.

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19
Q

What structure(s) go through the internal acoustic meatus?

A

facial n., vestibulocochlear n., labyrinthine artery

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20
Q

What structure(s) go through the opening of vestibular aqueduct?

A

endolymphatic duct

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21
Q

What structure(s) go through the mastoid foramen?

A

emissary vein (and occasional branch of occipital artery)

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22
Q

What structure(s) go through the jugular foramen?

A

inferior petrosal sinus, glossopharyngeal n., vagus n., accessory n., sigmoid sinus, posterior meningeal artery

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23
Q

What structure(s) go through the condylar canal?

A

emissary vein and meningeal branch of ascending pharyngeal artery

24
Q

Which cranial nerves are special sensory?

A

1,2,7-10

25
Q

Which cranial nerves are somatic sensory?

A

5, 7, 9, 10

26
Q

Which cranial nerves are visceral sensory?

A

9 and 10

27
Q

Which cranial nerves are visceral motor?

A

3, 7, 9, 10

28
Q

Which cranial nerves are branchial motor?

A

5, 7, 9-11

29
Q

Which cranial nerves are somatic motor?

A

3, 4, 6, 12

30
Q

What is the result of damaging the olfactory nerve and what is a possible cause of injury?

A

anosmia (loss of sense of smell); fracture of cribiform plate

31
Q

What is the result of damaging optic nerve and what is a possible cause of injury?

A

anopsias (visual field effects); eyeball trauma

32
Q

What is the result of damaging the vestibulocochlear nerve and what is a possible cause of injury?

A

hearing impairment or loss, vertigo (dizziness); tumor

33
Q

What muscle(s) are innervated by the oculomotor nerve?

A

levator palpebrae, superior rectus, inferior rectus, medial rectus, inferior oblique

34
Q

What are the symptoms of complete oculomotor nerve palsy?

A

ptosis (eyelid droop), a resting eye position that is “down and out,” a pupil that is fixed and dilated

35
Q

What are the possible causes of injury of the oculomotor nerve?

A

cavernous sinus injury, aneurism of posterior cerebral or superior cerebellar arteries

36
Q

Where are the neuron cell bodies of the olfactory nerve located?

A

olfactory epithelium

37
Q

Where are the neuron cell bodies of the optic nerve located?

A

retina

38
Q

Where are the neuron cell bodies of the vestibulocochlear nerve located?

A

spiral ganglion (cochlea)

39
Q

What bone does the olfactory nerve pass through and what is the channel called?

A

ethmoid bone; cribiform plate

40
Q

What bone does the optic nerve pass through and what is the channel called?

A

sphenoid bone, optic canal

41
Q

What bone does the vestibulocochlear nerve pass through and what is the channel called?

A

temporal bone, internal acoustic meatus

42
Q

Where are the neuron cell bodies of the oculomotor nerve located?

A

upper midbrain; oculomotor neuron

43
Q

What bone does the oculomotor nerve pass through and what is the channel called?

A

sphenoid bone; superior orbital fissure

44
Q

What cranial nerves move the eye?

A

oculomotor, trochlear, and abducent

45
Q

Where are the neuron cell bodies of the trochlear nerve located?

A

lower midbrain (trochlear nucleus)

46
Q

What bone does the trochlear nerve pass through and what is the channel called?

A

sphenoid bone; superior orbital issure

47
Q

What muscle(s) are innervated by the trochlear n.?

A

superior oblique muscle

48
Q

What is the result of damaging the trochlear nerve and what is a possible cause of injury?

A

inability to look down when eye is adducted –> diplopia

cavernous sinus injury

49
Q

Where are the neuron cell bodies of the abducent nerve located?

A

pons (abducent nucleus)

50
Q

What bone does the abducent nerve pass through and what is the channel called?

A

sphenoid bone; superior orbital fissure

51
Q

What muscle(s) are innervated by the abducent nerve?

A

lateral rectus muscle

52
Q

What are the symptoms of abducent nerve palsy?

A

horizontal diplopia (double vision), impaired eye abduction, tendency for eye to turn medially

53
Q

What are the possible causes of injury for the abducent nerve?

A

cavernous sinus injury, fracture of base of skull

54
Q

What is the function of the accessory nerve?

A

head and neck movement

55
Q

What is the location of the neuron cell bodies of the accessory nerve?

A

spinal cord (anterior horn of cervical region)

56
Q

What bone does the accessory nerve pass through and what is the channel called?

A

occipital bone; enters via foramen magnum and exits via jugular foramen

57
Q

What muscle(s) are innervated by the accessory nerve?

A

sternocleidomastoid and trapezius

From Flashcardlet (20 decks)

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