Exam 2: Blood Circulation of the CNS (be able to identify the arteries that supply given parts of the CNS) Flashcards
An issue with which artery / vein would cause issues with:
- Medial temporal lobe (uncus, hippocampus, amygdala)
- Basal ganglia (tail of caudate, globus pallidus)
- Inferior part of posterior limb of internal capsule
- Optic tract
- Lateral geniculate nucleus
- Cerebral peduncle
Anterior Choroidal Artery
An issue with which artery / vein would cause issues with:
• Segments A1-A5
(be able to recognize the segments on MRI)
Anterior Cerebral Artery
An issue with which artery / vein would cause issues with:
• Inferior head of the caudate nucleus
• Anterior limb of internal capsule
• Putamen
Medial Striate Artery
(recurrent artery of Huebner)
An issue with which artery / vein would cause issues with:
- M1-M4 segments
- Superior and inferior trunks travel along the insular cortex (M2), opercula (M3), and lateral cortex (M4)
- Lenticulostriate arteries
Middle Cerebral Artery
An issue with which artery / vein would cause issues with:
- Inferior and medial temporal lobe
- Occipital lobe
- Midbrain
- Thalamus
- Choroid plexus of lateral and third ventricles
Posterior Cerebral Artery
An issue with which artery / vein would cause issues with:
• Watershed Zones
ACA-MCA
MCA-PCA
An issue with which artery / vein would cause issues with:
• optic chiasm and hypothalamus
Perforating Branches of the Circle of Willis:
Anteromedial group
An issue with which artery / vein would cause issues with:
- lenticulostriate
- anterior perforated substance
- interior of hemisphere (basal ganglia)
Perforating Branches of the Circle of Willis:
Anterolateral group
An issue with which artery / vein would cause issues with:
- crus cerebri, middle/caudal hypothalamus, and thalamus
- posterior perforated substance
Perforating Branches of the Circle of Willis:
Posteromedial group
An issue with which artery / vein would cause issues with:
• thalamus and choroid plexus of lateral and third ventricles
Perforating Branches of the Circle of Willis:
Posterolateral group
An issue with which artery / vein would cause issues with:
• anterolateral medulla
Vertebral Artery
An issue with which artery / vein would cause issues with:
- medial/inferior cerebellum, lateral medulla, and choroid plexus of 4th ventricle
- Posterior spinal arteries
Posterior inferior cerebellar artery (PICA)
An issue with which artery / vein would cause issues with:
- posterolateral medulla, choroid plexus exiting the lateral aperture, lateral caudal pons, middle lateral cerebellum
- internal acoustic meatus
- pons
- rostral pons and superior cerebellum
Basilar Artery
What artery supplies each of the areas of the Cerebellum?
• red, yellow, and green areas?
Cerebellar Blood Supply:
red: PICA
yellow: AICA
green: SCA
What artery supplies each of the areas of the Pon?
• red, yellow, and green areas?
Pontine arteries:
red: Long circumferential
yellow: Short circumferential
green: Paramedian
Know and understand the Brainstem Blood Supply
Know and understand the Brainstem Blood Supply
An issue with which artery / vein would cause issues with:
• Dorsal column / Medical lemniscus
Posterior Spinal Artery
An issue with which artery / vein would cause issues with:
• ventral parts of spinal cord
Anterior spinal artery
