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Flashcards in Neuroanatomy Deck (119)
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1

What composes white matter?

Myelinated axons

2

What composes grey matter?

Neuronal cell bodies

3

Where is white matter found?

Spinal cord (outside)
Brain (inside)

4

What are the names of the different tracts present?

Commissural
Projection
Association

5

Within the CNS, what are a collection of cell bodies called?

Nucleus

6

Within the PNS, what are a collection of cell bodies called?

Ganglion

7

Where are the lateral ventricles found?

Cerebral hemispheres

8

What lies next to the 3rd ventricle?

Thalamus

9

Where does the cerebral aqueduct lie?

Midbrain

10

Where does the 4th ventricle lie?

Between pons, medulla & cerebellum

11

Between which layers is the CSF found?

Pia
Arachnoid

12

What produces CSF?

choroid plexus

13

Where is CSF absorbed?

Arachnoid villi into sagittal sinus

14

Where do the internal carotid arteries enter the skull?

Carotid canal

15

What artery do the vertebral arteries branch off?

Subclavian

16

Through which foramen do the vertebral arteries go through?

Foramen magnum

17

What are the main contributing factors to the Circle of Willis?

ICA
Basilar artery

18

What is the function of the Circle of Willis?

Protective mechanism which allows circulation to be maintained to the brain

19

What area of the brain does the Circle of Willis supply?

Cerebral hemispheres

20

The ICA give branches to which arteries?

ACA
MCA
Post communicating

21

Which arteries of the C o W supply the largest area of the cerebrum?

ACA
MCA

22

What do the 2 vertebral arteries combine to form?

Basilar artery

23

What does the vertebra-basilar system supply?

Brainstem
Cerebellum

24

What does the basilar artery divide into?

PCA

25

Which artery supplies the medial aspect of the cerebrum?

ACA

26

Which artery supplies the occipital lobe? If it is occluded what can it lead to?

PCA
Visuocortical blindness

27

Between which 2 layers do the venous sinus lie?

Dural folds

28

What vein do the venous sinus drain into?

IJV

29

What does the neural tube form from?

Ectoderm

30

What is another name for the forebrain?

Prosencephalon