Blood Supply Flashcards
What do the internal carotid arteries supply
Most of the forebrain
What does the vertebrobasilar system supply
Two vertebral artery + basilar artery
Occipital lobe
Brainstem
Cerebellum
What does the anterior cerebral arteries supply
Midline regions of frontal, parietal and cingulate cortices
Corpus callosum
What is the anterior arc of the Circle of Willis
Anterior communicating artery
Middle cerebral arteries
Anterior cerebral arteries
What does the anterior arc of the Circle of Willis supply
Middle hemispheres
Corpus callosum
What is the posterior arc of the Circle of Willis
Posterior cerebral arteries
Posterior communicating artery
Vertebral arteries
Basilar artery
What does the posterior arc of the Circle of Willis supply
Occipital lobe
Inferior cortex
Thalamus
Choroid plexus
Third and lateral ventricles
What does the anterior cerebral artery supply
Corpus callosum
Medial aspects of the hemisphere
What does the middle cerebral artery supply
Lateral surface of hemisphere
Deep structures of anterior part of the cerebral hemisphere
Define an ischaemic stroke
When blood supply to an area is reduced
Define haemorrhagic stroke
Secondary to rupture of blood vessels or abnormal vascular structure within the brain
What are the two type of haemorrhagic stroke
Intracerebral
Subarachnoid
Define intracerebral haemorrhage
Bleeding secondary to a ruptured blood vessels
Within the brain tissue or ventricles
Define subarachnoid haemorrhage
Bleeding outside the brain tissue
Between the pia mater and arachnoid mater
