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Flashcards in Anatomy- Neuroanatomy Deck (51)
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1

What connects the 3rd and 4th ventricle?

the cerebral aqueduct

2

What divides the cerebral peduncle into an anterior and posterior part?

substantia nigra

3

Where would you find the graciles tubercle?

brain

4

How many cervical nerves are there?

8

5

At what level does the spinal cord end?

L2

6

what are the spinal nerves that are sent inferiorly from the bottom of the spinal cord?

cauda equine

7

What does the brain stem consist of?

medulla, pons, cerebellum, midbrain

8

What divides the frontal and parietal lobes?

central sulcus

9

What separates the frontal and temporal lobes?

lateral sulcus

10

What separates the cingulated gyrus from the superior frontal gyrus?

The cingulate gyrus

11

What separates the cingulate gyrus from the corpus callosum?

callosal gyrus

12

What composes the diencephalons?

Thalamus, Hypothalamus, Epithalamus

13

What part of the spinal cord contains the nerve bodies?

gray matter

14

What part of the spinal cord contains the somatic cell bodies and have motor functions?

ventral/anterior horn

15

What part of the spinal cord contains visceral cell bodies?

Lateral horn

16

What part of the spinal cord contains the interconnecting fiber tract system of the nerves?

White matter

17

what part of the spinal cord contain the cell bodies of the neuron and have sensory functions?

dorsal horn

18

What are the 4 lobes of the brain?

Frontal, Parietal, Temporal, Occipital

19

What is the general function of the frontal lobe?

Motor function

20

What is the general function of the parietal lobe?

somatosensory

21

What is the general function of the occipital lobe?

visual

22

What is the general function of the temporal lobe?

auditory

23

From superior to inferior, what is the flow of CSF through the ventricles?

Lateral--> Third--> Fourth

24

From outside to inside, what are the layers of the meninges?

Dura mater--> arachnoid mater--> Pia mater

25

What kinds of nerves are found in the dorsal rami?

afferent sensory nerves

26

What kinds of nerves are found in the ventral rami?

eferrent motor

27

What are the spinal levels of the parasympathetic nervous system?

Brainstem, C1, S2, 3, 4

28

What are the spinal levels of the sympathetic nervous system?

T1-L3

29

What makes up grey substance?

neuronal cell bodies and synapses

30

What makes up white substance?

ascending and descending fiber pathways

31

Where is the primary sensory cortex located?

postcentral gyrus of the cerebral cortex

32

In what tract do pain and temperature sensation travel?

lateral spinothalamic tract

33

In what tract does light touch sensation travel?

anterior spinothalamic tract

34

In what tract do proprioception, stereognosis, barognosis and 2-point discrimination travel?

gracilis and cuneatus fasiculi

35

Where do the anterior and lateral spinothalamic tracts decussate?

at the level of the spinal cord at which they entered

36

Where do gracilis and cuneate fasiculi decussate?

in the medulla

37

Which tract is concerned with subconscious perception i.e. muscle position?

spinocerebellar tract

38

Where does the reticular formation take place?

medulla

39

Where are the reflex centers located? (cardiac/respiratory/vasomotor...)

medulla

40

What cranial nerves have their nuclei of origin in the pons?

CN 5, 6, 7, 8

41

What cranial nerves have their nuclei or origin in the medulla?

CN 8, 9, 10, 11, 12

42

Where are the superior cerebellar peduncles located?

Pons

43

Where is the substantia nigra located?

Messencephalon

44

What part of the brain regulates the emotional state?

limbic system

45

In what part of the brain do we consolidate short term memory into long term memory?

hippocampus

46

In what part of the brain do we find conditioned fear?

Amygdala

47

Stimulation of this part of the brain causes euphoria

Septum

48

Where is dopamine released from?

substantia nigra

49

What is released from the raphe nucleus?

Serotonin

50

Where is norepi released from in the brain?

locus ceruleus

51

Which cranial nerves have parasympathetic action?

CN 3, 7, 9, 10