Brainscape's Knowledge GenomeTM

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


See full index

Neuropsych > CNS blood supply > Flashcards

CNS blood supply Flashcards

1
Q

How does the internal carotid A enter the cranial cavity?

A

Through the carotid canal, then cavernous sinus, emerging on anterior clinoid process

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

What are the two main divisions of the ICA?

A

Anterior cerebral A
Middle cerebral A

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

What are other branches of the ICA?

A

Superior and inferior caroticotympanic branches
Superior and inferior hypophysial A
Ophthalmic A
Posterior communicating A
Anterior choroidal A

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

What is the course of the posterior communicating A?

A

Runs backwards connecting with PCA to form part of the circle of Willis

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

What is supplied by the anterior choroidal A?

A

Enters inferior horn of lateral ventricle

Crus cerebri
Lateral geniculate body
Optic tract
Internal capsule

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

How does the ACA enter the cerebrum?

A

Through the longitudinal fissure

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

What connects the two opposite ACAs?

A

Anterior communicating A

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

What cerebral structure is related to the course of the MCA?

A

Course runs along lateral sulcus

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

What is supplied by the central branches of ACA?

A

Lentiform nucleus
Caudate
Parts of internal capsule

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

What is supplied by the cortical branches of ACA?

A

Medial part of cerebral cortex to parieto-occipital sulcus
1” strip of cortex on lateral surface

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

What are the segments of the ACA?

A

A1 - precommunicating
A2 - infracallosal
A3 - precallosal
A4 - supracallosal
A5 - postcallosal

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

What is supplied by the central branches of the MCA?

A

Lentiform nucleus
Caudate
Parts of internal capsule

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

What is supplied by the cortical branches of the MCA?

A

Most of lateral surface of hemispheres

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

What is the vertebral A a branch of?

A

Subclavian A

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

How does the vertebral A ascend through the neck?

A

Through the foramen transversarium of the upper six cervical vertebra

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

How does the vertebral A enter the cranial cavity?

A

Through foramen magnum

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

What are the branches of the vertebral A?

A

Meningeal branches
Posterior spinal A
Anterior spinal A - from both sides
Posterior inferior cerebellar A

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

What is supplied by the meningeal branches of vertebral A?

A

Dura mater of posterior cranial fossa

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

What is supplied by the PICA?

A

Inferior surface of vermis
Central nuclei of cerebellum
Inferior surface of cerebellum
Lateral zone of medulla
Choroid plexus of fourth ventricle

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

How is the basilar A formed?

A

Joining of the 2 opposite vertebral arteries and the medullary-pontine junction

21
Q

What are the branches of the basilar A?

A

Pontine branches
Labyrinthine A
Anterior inferior cerebellar A
Superior cerebellar A

22
Q

What is supplied by the labyrinthine A?

A

Enters ear through internal acoustic meatus

23
Q

What is supplied by the AICA?

A

Anterior and inferior part of cerebellum
A few branches to pons and the upper medulla oblongata

24
Q

What is supplied by SCA?

A

Superior surface of cerebellum
Upper pons
Pineal body
Superior medullary velum

25
Q

What is formed by the bifurcation of the basilar A?

A

R and L posterior cerebral A

26
Q

What is supplied by the cortical branches of the PCA?

A

Inferolateral and medial surface of temporal lobe
Lateral and medial surface of occipital lobe

27
Q

What is supplied by the central branches of the PCA?

A

Thalamus
Lentiform nucleus
Midbrain
Pineal gland
Medial geniculate body

28
Q

What is supplied by the choroidal branch of the PCA?

A

Supplies choroid plexuses of lateral ventricle and 3rd ventricle

29
Q

What arteries contribute to the circle of Willis?

A

R and L ACAs
Anterior communicating A
R and L ICAs
R and L posterior communicating As
R and L posterior cerebral As

30
Q

What is supplied by the anteromedial branches of the circle of Willis?

A

Supraoptic and preoptic region of the hypothalamus

31
Q

What is supplied by the paired anterolateral branches of the circle of Willis?

A

Corpus striatum
Internal capsule

32
Q

What is supplied by the posteromedial branches of the circles of Willis?

A

Pituitary gland
Regions of hypothalamus
Subthalamus
Thalamus tegmentum
Crus cerebri of midbrain

33
Q

What is supplied by the posterolateral branches of the circle of Willis?

A

Thalamus

34
Q

What is unique about cranial veins?

A

No muscular tissue
No valves

35
Q

What are the external cerebral veins?

A

Superficial cerebral V
Superficial middle cerebral V
Deep middle cerebral V

36
Q

What drains into the superficial cerebral V?

A

Lateral surface of cerebral hemisphere

37
Q

What drains into the superior sagittal sinus?

A

Superficial cerebral V

38
Q

What drains into the superficial middle cerebral V?

A

Lateral surface of cerebral hemisphere

39
Q

What drains into the cavernous sinus?

A

Superficial middle cerebral V

40
Q

What drains into the deep cerebral vein?

A

Insula

41
Q

What drains into the straight sinus?

A

Deep middle cerebral V
Great cerebral V

42
Q

What veins join to form the two internal cerebral veins?

A

Thalamostriate V
Choroidal V

43
Q

What vein is formed by the merging of the two internal cerebral veins?

A

Great cerebral vein

44
Q

What drains into the transverse sinus?

A

Superior sagittal sinus
Straight sinus

45
Q

What does the transverse sinus drain into?

A

Sigmoid sinus to internal jugular

46
Q

What does the transverse sinus drain into?

A

Sigmoid sinus to internal jugular

47
Q

What drains into the great cerebral V?

A

Midbrain
Pons
Cerebellum

48
Q

What veins drain the medulla?

A

Into veins of spinal cord via basilar venous plexus

Neuropsych (20 decks)

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