Lecture 02-anatomy Flashcards Preview

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Flashcards in Lecture 02-anatomy Deck (73):
1

Functions of the frontal lobe

motor + cognitivie functions

2

Functions of parietal

attention + somatosensory

3

Functions of temporal lobe

primary auditory processing and recognition

4

functions of occipital lobe

primary visual processing

5

functions of insula

visceral fn and taste (gustatory)

6

what two lobes does the central sulcus seperate

frontal and parietal

7

which specific part of the temporal lobe does primary auditory processing

superior temporal gyrus

8

main fn of pre central gyrus

primary motor cortex

9

main fn on post central gyrus

primary somatosensory cortex

10

where do fibers of the optic nerves cross

optic chiasm

11

what marks the midbrain

cerebral peduncles

12

Which two brain regions do axons of cerebral peduncles go

from pons to cortex

13

what pathway does the medullary pyramid contain? where does it originate?

cortico-spinal motor pathway from cortex

14

which lobe and surface of the lobe is the olfactory bulb and tract found

central surface of frontal lobe

15

where is the infundibular stalk located

below hypothalamus

16

name of groove separate parietal from occipital lobe

parieto-occipital sulcus

17

name of groove that separates sup and inf lobes of occipital lobe

calcarine sulcus

18

fn of the calcarine sulcus

primary visual cortex

19

name of gyrus that contains a lot of the systems the process emotions

cingulate gyrus

20

what connects two temporal lobes

anterior commissure

21

what does internal capsule contain

axons of ascending and descending fibers btwn cerebral hemisphere and brainstem +/pr spinal cord

22

fn of basal ganglia

regulates movement, cognition, emotion

23

5 nuclei in basal ganglia

staitum ( caudate and putamen)
globus pallidus
subthalamic
substansia nigra

24

the substansia nigra is part of the __brain

midbrain

25

sub thalamic belongs to which brain region

diencephalon

26

globus pallidus is part of which brain region

telencephalon

27

caudate and putamen are part of which brain region

telencephalon (more specifically the straitum section)

28

on either side of the 3rd ventricle is the

thalamus

29

what three structures makeup the brainstem

midbrain, pons, medulla

30

through which pathway does the motor information of the colliculi pass

tectospinal pathway

31

which is the only cranial nerve that emerges from the dorsal side of the brain stem

cranial nerve 4 (trochlear nerve)

32

what does CN 4 innervate

eye muscle (trochlear nerve)

33

name of gray matter surrounding cerebral aqueduct

periaqueductal gray

34

the red nuclei is the origin of which system

rubrospinal system

35

what type of cells make up the substantia nigra

dopamine containing cells

36

cerebellar peduncles have axons from where and for what?

where: pontine nuclei
what: pons

37

the structure of the cerebellum that makes it look like leaves of a tree

folia

38

corticospinal fibers go from where to where

motor cortex to spinal cord

39

corticobulbar fibers span from where to where

cortex to brain stem

40

pathway of cortico axons

axons go across midline --> middle cerebellar peduncle --> cerebellum

41

cells in inferior medullary olives are important for?

motor learning

42

cn 3

ocular-motor; innervates 4 eye muscle

43

cn 4

trochlear; innervates eye muscle

44

cn 5

trigeminal n.; face (sensory)

45

cn 6

abducens n. innervates 1 eye muscle

46

cn 7

facial n. (motor)

47

cn 8

vestibulocochlear n; auditory + balance

48

cn 9

glossopharyngeal n.

49

what else is found at cn 9

carotid body + sinus

50

cn 10

vagnus n; major motor control; some sensory OUTPUT

51

cn 11

spinal accessory (SCM + traps)

52

cn 12

hypoglosseal n. (motor for tongue) + bit of facial + glossopharyngeal

53

what is the major (autonomic) primary sensory nucleus for autonomic system

solitary nucleus

54

cn 2

optic nerve

55

heavily mylenated axons that decussate in medulla

medial lemniscus

56

the axons of the sensory root are located in?

dorsal root ganglion

57

posterior rami carry info to and from the?

center of back

58

anterior rami carry info to and from the?

trunk and limbs

59

where is the intermediate horn present

ONLY in thoracic and lumbar system

60

what does the intermediate horn contain

cell bodies of sympathetic nervous system

61

ascending sensory is in the ____column

dorsal column

62

motor fibers descending from brain, which column?

lateral + ventral column

63

where is ascending pain system found?

ventral column

64

connects hippocampus to mammillary bodies on hypothalamus

fornix

65

types of long associate fibers

arcuate fasciculus
superior longitudinal fasciculus
unicate fasciculus

66

what parts of the brain do the superior longitudinal fibers connect?

temporal, parietal, occipital to frontal

67

what does unite fasciculues connect

temporal lobe to prefrontal areas

68

what do axons of corona radiate connect

cortex to internal capsule

69

what do axons of internal capsule connect

lateral to diencephalon

70

what do axons of cerebral peduncle connect

internal capsule to brainstem

71

pathway of white matter

corona radiata --> internal capsule --> cerebral peduncle --> pons --> pyramids --> ventral horn of spinal cord

72

cerebral hemisphere and its internal structures is known as

supratentorial

73

frontal and parietal lobes are separated by the

central sulcus