Blood Supply

Question 1

Describe the location of the internal carotid artery

Answer 1

Enters the cranium through the carotid canal of the temporal bone.
Enters into the base of the brain

Question 2

What does the external carotid artery supply?

Answer 2

the meninges, the skull and the extra-cranial tissues

Question 3

What are the branches of the internal carotid artery?

Answer 3

Opthalmic artery
Anterior choroidal artery
Anterior cerebral artery (ACA)
Middle Cerebral Artery (MCA)

Question 4

Location and supply of the basilar artery

Answer 4

Runs up the middle of the brainstem

Supplies the brainstem and cerebellum with blood

Question 5

What arteries form the circle of willis (CoW)

Answer 5

2 internal carotid arteries
Anterior cerebral artery
Anterior communicating arteries
Posterior cerebral arteries

Question 6

Where is the Circle of Willis found?

Answer 6

In the optic chiasma and the pituitary gland

Question 7

Supply and location of the ACA

Answer 7

Travels between the hemispheres and corpus callosum - in the longitudinal fissure

Supplies the medial surface of the frontal and parietal lobes

Question 8

Location of MCA

Answer 8

Travels along the lateral fissure to the lateral surface of the cortex
- divides into frontal, parietal and temporal branches

Question 9

Supply and location of the PCA

Answer 9

Branches of the basiliar artery.

Curves along the inferior brain surface

Supplies the medial and part of the inferior temporal lobe and the inferior and medial occipital lobes