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Neuroanatomy Lab > Lab 2 > Flashcards

Lab 2 Flashcards

1
Q

Identify this structure:

A

Caudate nucleus

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2
Q

Identify this structure:

A

thalamus

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3
Q

Identify this structure and what type of information is sent here?

A

lateral geniculate nucleus of the thalamus; visual information

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4
Q

Identify this structure and what type of information is sent here?

A

medial geniculate nucleus of the thalamus; auditory information

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5
Q

Identify this structure:

A

white matter

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6
Q

Identify this structure:

A

grey matter

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7
Q

Identify this structure:

A

Caudate nucleus

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8
Q

Identify this structure:

A

corpus callosum

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9
Q

Identify this structure:

A

internal capsule

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10
Q

Identify this structure:

A

thalamus

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11
Q

Identify this structure:

A

Caudate nucleus

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12
Q

Identify this structure:

A

corpus callosum

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13
Q

Identify this structure:

A

internal capsule

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14
Q

Identify this structure:

A

thalamus

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15
Q

Identify this structure:

A

hypothalamus

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16
Q

What is the functional difference between the corpus callosum and the internal capsule?

A

The internal capsule brings information from the cerebrum to the corpus callosum which then communicates it with the opposite side of the brain

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17
Q

In humans, an experimental surgery that transplants dopamine producing cells into the caudate nucleus is performed to improve some patients Parkinson’s disease. If you were to practice this surgery on a dog, how would you surgically access the caudate nucleus with minimal damage to other neural tissues?

A

sever the corpus callosum in half

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18
Q

Identify this structure and what is it in charge of?

A

rostral colliculus; visual reflex

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19
Q

Identify this structure and what is it in charge of?

A

caudal colliculus; auditory (BANG) reflex

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20
Q

Identify this structure:

A

trochlear nerve

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21
Q

Identify this structure and what is located within this structure?

A

crus cerebri; cerebral motor tracts

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22
Q

Identify this structure:

A

oculomotor nerve

23
Q

What is the anatomical basis of clinical signs seen with ptosis?

A

CN III is damaged therefore the levator palpebrae superioris is not functioning properly; droopy eyelid

24
Q

What is the anatomical basis of clinical signs seen with lateral strabisimus?

A

CN III is damaged therefore the dorsal and medial rectus are not functioning properly; the eye points ventrally and laterally

25
Q

Identify this structure and what is its function?

A

cerebral aqueduct; communication between the 3rd and fourth ventricles

26
Q

Identify this structure and what does it consist of (i.e. what makes it up)?

A

tectum; rostral and caudal colliculi

27
Q

Identify this structure and what is located here?

A

tegmentum; reticular formation, and motor and sensory nuclei

28
Q

Identify this structure:

A

cerebral aqueduct

29
Q

Identify this structure:

A

tectum

30
Q

Identify this structure:

A

tegmentum

31
Q

Identify this structure:

A

rostral colliculus

32
Q

Identify this structure:

A

crus cerebri

33
Q

Identify this structure:

A

cerebral aqueduct

34
Q

Identify this structure:

A

tectum

35
Q

Identify this structure:

A

tegmentum

36
Q

Identify this structure:

A

medial geniculate nucleus of the thalamus

37
Q

Identify this structure:

A

rostral colliculus

38
Q

Identify this structure:

A

cerebral aqueduct

39
Q

Identify this structure:

A

crus cerebri

40
Q

Identify this structure:

A

medial geniculate nucleus of the thalamus

41
Q

Identify this structure:

A

tectum

42
Q

Identify this structure:

A

tegmentum

43
Q

What major midbrain structures represent the tectum?

A

rostral colliculus, caudal colliculus

44
Q

What functional deficits woud you expect to see with a lesion of the internal capsule?

A

information from the cerebrum would not get to the corpus collosum and vice versa

45
Q

Where is the lesion in a dog displaying ventrolateral strabisimus of the right eye?

A

CN III - right

46
Q

What geniculate nucleus works closely with the occipital lobe?

A

lateral

47
Q

If the eyes fail to follow your moving hand in front of the animal’s face, what nerve(s) could be inured?

A

CN III and VI

48
Q

What structure of the midbrain gives rise to the trochlear nerve?

A

crus cerebri

49
Q

What clinical sign would you expect to see when the motor nocleus of the trochlear nerve is involved in the lesion of the right midbrain in a dog or cat?

A

the dorsal oblique on the left side would not function properly

50
Q

What would you expect to see if the right trochlear nerve is inflamed in a dog or a cat?

A

periodic symptoms with the left eye

51
Q

What is the functional difference between the lateral geniculate nucleus and the rostral colliculus?

A

the lateral geniculate nucleus is for vision, the rostral colliculus is for a vision reflex

52
Q

Is the crus cerebri part of the sensory or motor system?

A

motor system

53
Q

Where do fibers of the crus cerebri originate?

A

cerebral cortex

54
Q

List three clinical signs induced by a lesion of the right oculomotor nerve.

A

ptosis, lateral strabisimus, no pupillary response in the right eye

Neuroanatomy Lab (5 decks)

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