Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Nervous System > Topography of the Brain > Flashcards

Topography of the Brain Flashcards

1
Q

from what does the brain develop?

A

from the neural tube from ectoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what ventricles are in the cerebral hemispheres?

A

the lateral ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the space within the diencephalon called?

A

the third ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the cerebral aqueduct?

A

the cavity in the midbrain that is the narrowest part (so there could be obstruction)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

where is the fourth ventricle?

A

between the pons and medulla, and the cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

where is the csf found?

A

inside the ventricles and between the pia and the arachnoid mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

where is the csf formed?

A

by the choroid plexus (vascularised structure in the ventricles) but largest is in the lateral ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how is the csf absorbed?

A

by arachnoid villi (projections of the arachnoid membrane) into superior sagittal sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

where does the csf travel to the subarachnoid space?

A

three holes in the roof of the 4th ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what foramen does the internal carotid artery enter the skull through?

A

foramen lacerum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the vertebral arteries branches of?

A

the subclavian artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

how do the vertebral arteries enter the skull?

A

through the foramen magnum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what two arteries does the internal carotid artery give off?

A

> anterior cerebral artery > the middle cerebral artery > the posterior communicating artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what does the basilar artery split into?

A

the two posterior cerebral arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how do the two anterior cerebral arteries communicate?

A

with the anterior communicating artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what forms the basilar artery?

A

the two vertebral arteries joining together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

if one of the arteries to the circle of willis is compromised why does part of the brain not suffer ischemia straight away?

A

there is a reservoir of blood in the circle of willis keeping up the blood supply to the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what does the anterior cerebral artery supply?

A

medial aspect of cerebral hemispheres (excluding the occipital lobe)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what does the middle cerebral artery supply?

A

lateral aspect of the cerebral hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what does the posterior cerebral artery supply?

A

the inferior aspect of the cerebral hemispheres and occipital lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

where are the two layer of dura not connected together?

A

where there are sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what fold of dura is on top of the cerebellum?

A

the tentorium cerebelli

23
Q

what fold of dura is in between the hemispheres?

A

the flax cereberi

24
Q

where is the sagittal sinus found?

A

in the midline between the two hemispheres, superior to the brain

25
Q

what sinus leads on to the internal jugular vein at the jugular foramen?

A

the sigmoid sinus

26
Q

where is the cavernous venous sinus?

A

either side of the sphenoid bone around the pituitary gland

27
Q

what vesicles does the neural tube develop?

A

> fore brain vesicle
midbrain vesicle
hindbrain vesicle

28
Q

what does the forebrain vesicle go on to develop?

A

cerebral hemispheres and diencephalon

29
Q

what does the hind brain form?

A

> pons and medulla at the front

> cerebellum at the back

30
Q

what does the thalamus do?

A

it is a relay centre for sensory information

31
Q

what part of the brain is a centre for involuntary reflexes?

A

the brainstem

32
Q

where are cranial nerve nuclei and tract pathways found?

A

the brainstem

33
Q

what is the cerebellum attached to?

A

the brainstem (not the hemispheres)

34
Q

what makes up the brainstem?

A

midbrain
pons
medulla

35
Q

what does the medulla continue on as?

A

the spinal cord

36
Q

what are the pyraminds?

A

sweelings either side of the midline on the medulla made from motor fibre tracts

37
Q

what is the point where the pyramid fibres cross over called?

A

decussation

38
Q

where are olives found?

A

lateral to the pyramids on the medulla

39
Q

what cranial nerves start from the medulla?

A

> IX
X
XI
XII

40
Q

what are peduncles?

A

connections to the cerebellum

41
Q

what does the inferior cerebellar peduncle connecting to?

A

the medulla

42
Q

what does your reticular activating system control?

A

the state you are in (asleep, awake e.c.t)

43
Q

what is posterior to the pons?

A

IV ventricle

44
Q

how does the pons connect to the cerebellum?

A

the middle cerebellar peduncle

45
Q

what cranial nerves originate from the ponmedullary junction?

A

VI
VII
VIII

46
Q

what nerves originate from the pons?

A

V
VI
VII
VIII

47
Q

what is the central cavity of the midbrain?

A

cerebral aqueduct

48
Q

what are the cerebral peduncles?

A

motor neurons coming down in front of the thalamus into the midbrain

49
Q

what are the colliculi?

A

the superior and inferior colliculi found on the posterior of the midbrain are for reflexes

50
Q

what connects the midbrain to the cerebellum?

A

the superior cerebellar peduncles

51
Q

what is the black substance found in a section of the midbrain?

A

substantia nigra

52
Q

what joins the two lobes of the cerebellum?

A

the vermis

53
Q

name the lobes of the cerebellum?

A

anterior lobe
posterior lobe
tonsils

Nervous System (45 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions