test 1: lab 1 Flashcards

1
Q

three meninges

A

dura mater
arachnoid
pia mater

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

what is in subarchnoid space

A

vessels and CSF

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

two layers of dura mater

A

periosteal layer

meningeal layer

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

superior sagittal sinus in a ___ in the dura mater

A

opening in the dura mater

periosteal layer and meningeal layer seperate

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

___ is an extension of the dura mater into the sagittal fissure

A

falx cerebri

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

subarachnoid cistern

A

where the arachnoid and pia are widely separated

the cisterna magna (cerebellomedullary cistern) is where they are most widely separated

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

brain receives blood from two sources

A

internal carotid artery

basilar artery

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

rete mirabile

A

(arterioles)

sit in the cavernous sinus

counter-current heart exchange between blood in rete and bool venous blood

protects brain from overheating

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

counter-current heart exchange in the brain is by

A

rete mirabile

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

____ are CSF filled caverns and canals inside the brain

A

ventricles

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

where is CSF produced?

A

in the choroid plexus in the ventricles

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

why have CSF?

A

protects brain – cushions it

Removes harmful metabolites

Conduit for hypothalamic peptide hormones

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

flow of CSF

A

lateral ventricles

interventricular foramen → foramen of monro

3rd ventricle

cerebral aqueduct of sylvius

4th ventricle

lateral recess → brain medial recess →spinal cord

subarachnoid space

arachnoid granulations

venous sinus

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

CSF is reabsorbed in ___ and granulations into venous
sinuses

A

arachnoid villi

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

what cells produce CSF

A

specialized ependymal cells surrounding capillaries in ventricles

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

which ventricle is associated with the telencephalon

A

lateral

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

which ventricle is associated with the diencephalon

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

which ventricular space is associated with the mesencephalon?

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

which ventricle is associated with the metencephalon

A

fourth

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

which ventricle is associated with the myelencephalon?

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

central canal is associated with the ___

A

spinal cord

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

2 layer of meninges

A

arachnoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

where CSF is reabsorbed into the venous system, in the dorsal sagittal sinus

A

arachnoid villi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

arachnoid villi

A

where CSF is reabsorbed into the venous system, in the dorsal sagittal sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

basilar artery

A

formed by the joining of the vertebral arteries- runs along the midline of the ventral surface of the medulla and pons and then joins the circle of willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
A

basilar artery: formed by the joining of the vertebral arteries- runs along the midline of the ventral surface of the medulla and pons and then joins the circle of willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

carotid rete (rete mirabile)

A

specialized structure for heat exchange, within the cavernous sinus, the many parallel arteroles proved a high surface area for heat exchange, the faster the respiratory rate the cooler the venous blood becomes, then form into the internal carotid artery and enter the circle of willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
A

caudal cerebellar artery- supplies the caudal portion of the cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
A

caudal cerebral artery- comes form the caudal communicating artery at the level of the caudal aspect of the pituitary. supplies the medial part of the caudal half of the cerebral hemisphere, it also supplies the diencephalon and rostral mesencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what artery supplies the black?

A

caudal cerebral artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
A

caudal communicating arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

cavernous sinus

A

floor of the middle cranial fossa, where pituitary would be- where rete mirabile would be

33
Q
A
34
Q
A

cerebral aqueduct - connects 3rd to 4th ventricle, found in the mesencephalon

35
Q
A

cerebral aqueduct - connects the 3rd and 4th ventricle- found in the mesencephalon

36
Q

circle of willis

A

cerebral arterial circle

37
Q

___ make CSF and are found ___

A

choroid plexus

in the lateral, 3rd and 4th ventricles

38
Q
A

cisterna magna (cerebellomedullary cistern) - large expansion of the subarachnoid space above the 4th ventricle, common site for CSF tap.CSF from the 4th ventricles flows through the lateral apertures of the 4th ventricle to get to the cisterna magna

39
Q

cisterna magna

A

cisterna magna (cerebellomedullary cistern) - large expansion of the subarachnoid space above the 4th ventricle, common site for CSF tap.CSF from the 4th ventricles flows through the lateral apertures of the 4th ventricle to get to the cisterna magna

40
Q
A
41
Q
A

dorsal sagittal sinus - contains arachnoid villi that absorb CSF, runs within the falx cerebri and supplies blood to the transverse sinus

42
Q

outer most layer of the meninges

A

dura mater

43
Q

ependyma

A

cells that line the ventricles- some will specialize into CSF producing cells- choroid plexus

44
Q

___ are cells that line the ventricles

A

ependyma

45
Q

___ is an extension of the dura matter down into the sagittal fissure(longitudinal fissure), where the dorsal sagittal sinus is

A

falx cerebri

46
Q
A

4th ventricle in the hindbrain

47
Q
A

fourth ventricle in the hindbrain

48
Q
A

internal carotid artery

49
Q

___ connects the lateral and 3rd ventricle

A

interventricular foramen

50
Q
A

lateral aperture of fourth ventricle- extension of the 4th ventricle that leads into the cisterna magna and allows CSF around the brain in the subarachnoid space

51
Q
A

lateral ventricles [LV]- within the telencephalon

52
Q

pia mater and arachnoid =

A

leptomeninges

53
Q

midline fissure is the ___

A

longitudinal fissure

(sagittal fissure)

54
Q

three layers of meninges

A

dura mater

arachnoid

pia mater

55
Q
A

middle cerebral artery- supplies most of the cerebrum

56
Q

what supplies orange?

A

middle cerebral artery

57
Q
A

optic chiasm- where CN2 cross

58
Q

inner most layer of meninges that extend into the sulci

A

pia mater

59
Q
A

rostral cerebellar artery- supplies the caudal midbrain and the rostral half of the cerebellum

60
Q
A

rostral cerebral artery- comes off the circle of willis and up through the longitudinal fissure to supply blood to the medial portion of the rostral half of the cerebrum

61
Q

what supplies the green area

A

rostral cerebral artery

62
Q

subarachnoid space

A

space between the pia mater and the arachnoid that is filled with CSF and vessels

63
Q
A

3rd ventricle - in the diencephalon

64
Q

red?

A

transverse sinus- carry venous blood from the dorsal sagittal sinus to the cavernous sinus

65
Q
A

ventral spinal artery- receives blood from the vertebral arteries that enter the spinal canal through successive vertebral foramina

66
Q

carry blood to the ventral spinal artery and up to the basilar artery to the circle of willis

A

vertebral arteries

67
Q
A

pituitary

68
Q
A

basilar artery

69
Q
A

carotid rete

70
Q
A
71
Q
A

middle cerebral artery

72
Q
A
73
Q
A
74
Q
A
75
Q
A
76
Q
A
77
Q
A
78
Q
A

3rd ventricle