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Animal Anatomy > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q

Cranial nerve 1

A

nn. olfactorii

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2
Q

Cranial nerve 2

A

n.opticus

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3
Q

Cranial nerve 3

A

n. oculomotorius

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4
Q

Cranial nerve 4

A

n. trochlearis

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5
Q

Cranial nerve 5

A

n. trigeminus

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6
Q

Cranial nerve 6

A

n. abducens

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7
Q

Cranial nerve 7

A

n. facialis

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8
Q

Cranial nerve 8

A

n. vestibulocochlearis

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9
Q

Cranial nerve 9

A

n. glossopharyngeus

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10
Q

Cranial nerve 10

A

n. vagus

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11
Q

Cranial nerve 11

A

n. accessorius

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12
Q

Cranial nerve 12

A

n. hypoglossus

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13
Q

Name and number of sensory only nerves

A
  1. nn.olfactorii
  2. n. opticus
  3. n. vestibulocochlearis
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14
Q

name and number of motor only nerves

A
  1. n. oculomotorius
  2. n. trochlearis
  3. n. abducens
  4. n.accessorius
  5. n.hypoglossus
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15
Q

name of cranial nerves that are both sensory and motor

A
  1. n.trigeminus
  2. n.facialis
  3. n.glossopharynegeus
  4. n.vagus
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16
Q

Function of 1. nn.olfactorii

A

Sense of smell

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17
Q

What part of the encephalon (brain) is cranial nerve 1 (nn.olfactorii) from.
Where does it go

A

Telencephalon
Lamina cribrosa/bulbus olfactorius
(os ethmoidale)

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18
Q

What is the function of cranial nerve 2 (n. opticus)

A

Sense of sight

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19
Q

What part of the encephalon (brain) is cranial nerve 2 (n.opticus) from
Where does it go through

A

Diencephaon
Canalis opticus

20
Q

What is the function of cranial nerve 3 (n. oculomotorius)

A

movement of the eyeballs

21
Q

What part of the encephalon (brain) is cranial nerve 3 (n. oculomotorius)
Where does it go through

A

mesencephalon
fissura orbitalis

22
Q

What is the function of cranial nerve 4 (n. trochlearis)

A

movement of the eyeballs

23
Q

What part of the encephalon (brain) is cranial nerve 4 (n. trochlearis) come from
Where does it go through

A

Mesencephalon
fissura orbitalis

24
Q

What is the function of cranial nerve 5 (n.trigeminus)

A

sensory info from the face

25
Q

What part of the encephalon (brain) is cranial nerve 5 (n.trigeminus) come from

A

metencephalon

26
Q

Name the 3 branches of cranial nerve 5

A

n. opthalmicus
n. maxillaris
n. mandibularis

27
Q

What is the first branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

A

n. opthalmicus
Func- takes sensory innervation from the eye
Pass- fissura orbitalis

28
Q

What is the second branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

A

n. maxillaris
Func- sensory fibres for the structures on the head
Pass- fissura orbitalis, foramen rotundum, canalis infraorbitalis.

29
Q

What is the third branch of cranial nerve 5 (n.trigeminus). What is its function. What does it pass through.

A

n. mandibularis
Func
-sensory fibres for structures on the head
- motor fibres of muscles of mastication
passes through foramen lacerum (foramen mentale)

30
Q

n. trigeminus contains n.lingualis, what is its function

A

sense of taste

31
Q

What is the function of cranial nerve 6 (n.abducens)

A

movement of eyeball

32
Q

What part of the encephalon (brain) is cranial nerve 6 (n.abducnes) come from
Where does it go through

A

Medulla oblongata
Fissura orbitalis

33
Q

What is the function of cranial nerve 7 (n. facialis)

A

Movement of facial muscles
Motor- innervate mimic muscles
Sensory- innervate lingual mucosa
Parasympathetic innervate lacrimal glands, nasal glands, palate muscosa, sublingual gland, mandibular gland
(Closes eye)

34
Q

What part of the encephalon (brain) is cranial nerve 7 (n.facialis) come from
Where does it go through

A

Medulla oblongata
Foramen stylomastoideum, fissura peterotympanica

35
Q

what is the function of cranial nerve 8 (n. vestibulocochlearis

A

n. vestibularis - balance
n. coccylearis - hearing

36
Q

What part of the encephalon (brain) is cranial nerve 8 (n. vestibulocochlearis) come from

A

Medulla oblongata

37
Q

What is the function of cranial nerve 9 (n. glossopharyngeus)

A

Swallowing
Sensory- ramus lingualis
Motor ramus pharyngeus

38
Q

What part of the encephalon (brain) is cranial nerve 9 (n.glossopharyngeus) come from?
Where does it go through?

A

Medulla oblongata
Foramen lacerum

39
Q

What is the function of cranial nerve 10 (n.Vagus)

A

Swallowing

40
Q

What is the function of cranial nerve 10 (n.Vagus)

A

Swallowing

41
Q

What part of the encephalon (brain) is cranial nerve 10 (n.vagus) come from
Where does it go through

A

Medulla oblongata
Foramen lacerum

42
Q

What is the function of cranial nerve 11 (n. accessorius)

A

Motor for the neck
Moves muscles…
m. brachiocephalicus
m. omotransversarius
m.trapezius pars cervicalis

43
Q

What part of the encephalon (brain) is cranial nerve 11 (n.accessorius) come from
Where does it go through

A

Medulla oblongata
Foramen lacerum

44
Q

What is the function of cranial nerve 12 (n. hypoglossus)

A

Movement of tongue

45
Q

What part of the encephalon (brain) is cranial nerve 12 (n. hypoglossus) come from
Where does it go through

A

Medulla oblongata
Canalis nervi hypoglossus

46
Q

What nerves contain parasympathetic fibers
(Name and Number)

A

-3. n. oculomotorius
-7. n. facialis
-9. n.glossopharyngeus
-10. n.vagus

Animal Anatomy (19 decks)

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