Vascular supply (Circle of Willis) — Flashcards

Flashcard 1: anterior communicating artery

Answer: cranial nerves

Extra: visual field defects

Flashcard 2: posterior communicating artery

Answer: CN 3

Extra: eye externally and inferiorly rotated, ptosis, pupil dilation

Flashcard 3: Where do saccular "berry" aneurysms tend to occur?

Answer: bifurcations in Circle of Willis; especially anterior and posterior communicating arteries

Flashcard 4: number 3

Answer: posterior spinal arteries

Flashcard 5: number 9

Answer: anterior spinal artery

Flashcard 6: anterior cerebral artery (ACA)

Answer: medial motor cortex, medial sensory cortex

Extra: leg paralysis and sensory loss

Flashcard 7: aneurysm

Answer: abnormal dilation of artery due to weakening of vessel wall

Flashcard 8: anterior inferior cerebellar artery (AICA)

Answer: lateral pons, cerebellar peduncles

Extra: vomiting, vertigo, nystagmus, facial paralysis, facial sensory loss, Horner's syndrome, ataxia, dysmetria decreased: lacrimation, taste, corneal reflex, hearing

Flashcard 9: berry aneurysm

Answer: congenital defect in vessel wall at bifurcation

Extra: bitemporal hemianopsiaADPKD, Ehlers-Danlos syndrome, Marfan's syndrome, HTN, smoking, advanced ageblack racesubarachnoid hemmorhage (rupture)

Flashcard 10: posterior cerebral artery

Answer: posterior and inferior surfaces

Extra: blue region

Flashcard 11: anterior cerebral artery

Answer: anteromedial surface

Extra: yellow region

Flashcard 12: Which cerebral artery supplies the superior ~1 inch of the frontal/parietal cortex? _____

Answer: Anterior cerebral artery

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/neuroanatomy/videos/cerebral-vasculature?index=3] https://onlinemeded.org/spa/neurology?ref=anki 

Flashcard 13: Lung metastases have a high predilection for the brain due to the _____ of the cerebral vasculature

Answer: proximity

Extra:  Watch Adult CNS Tumors [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-neuro/videos/medical-pathophysiology-neuro-intracranial-hypertension-and-tumors-adult-cns-tumors?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/lung-cancer?index=2] https://onlinemeded.org?ref=anki 

Flashcard 14: Embolic ischemic strokes commonly affect the _____ artery

Answer: middle cerebral

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/neurology/videos/ischemic-cerebrovascular-accidents?index=2] https://onlinemeded.org?ref=anki Atlas: 

Flashcard 15: When the _____ arises from both the right coronary artery and left circumflex artery, it is referred to as codominant circulation (7%)

Answer: posterior descending artery (PDA)

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/anatomy?index=13] https://onlinemeded.org/spa/cardiac/anatomy-of-the-heart/acquire?ref=anki Netters: 

Flashcard 16: The _____ supplies the thalamus, which when infarcted can cause thalamic syndrome with contralateral sensory abnormalities

Answer: PCA

Extra:  https://onlinemeded.org?ref=anki 

Flashcard 17: What artery supplies the medial and lateral midbrain? _____

Answer: Posterior cerebral artery

Flashcard 18: ID Vessel: _____

Answer: Posterior cerebral artery

Flashcard 19: ID Vessel: _____

Answer: Middle cerebral artery

Flashcard 20: Which cerebral artery supplies the anterior limb of the internal capsule? _____

Answer: Anterior cerebral artery

Flashcard 21: ID Vessel: _____

Answer: Anterior cerebral artery

Flashcard 22: The macula is spared during posterior cerebral artery infarct due to collateral circulation with the _____ artery

Answer: middle cerebral

Flashcard 23: What arteries (2) supply the medial medulla? _____

Answer: Anterior spinal artery or vertebral artery

Flashcard 24: Which cerebral artery supplies the occipital lobe? _____

Answer: Posterior cerebral artery

Flashcard 25: Alexia without Agraphia is a speech deficit associated with _____ artery infarct

Answer: posterior cerebral

Flashcard 26: Which cerebral artery supplies the medial surface of the frontal/parietal lobes? _____

Answer: Anterior cerebral artery

Flashcard 27: Contralateral homonymous hemianopia with macular sparing is a visual deficit associated with _____ artery infarct

Answer: posterior cerebral

Flashcard 28: Which cerebral artery supplies the inferior temporal lobe?_____

Answer: Posterior cerebral artery

Flashcard 29: ID Vessel: _____

Answer: Anterior communicating artery

Flashcard 30: ID Vessel: _____

Answer: Posterior communicating artery

Flashcard 31: ID Vessel: _____

Answer: Middle cerebral artery

Flashcard 32: What artery supplies the lateral pons? _____

Answer: Anterior inferior cerebellar artery (AICA)

Flashcard 33: Which cerebral artery supplies most of the lateral surface of the cerebral hemisphere? _____

Answer: Middle cerebral artery

Flashcard 34: The medial aspect of the pre-/post-central gyrus is supplied by the _____ artery

Answer: anterior cerebral

Flashcard 35: ID Vessel: _____

Answer: Superior cerebellar artery

Flashcard 36: Which cerebral artery supplies the anterior four-fifths of the corpus callosum?_____

Answer: Anterior cerebral artery

Flashcard 37: Which cerebral artery supplies the superior ~1 inch of the frontal/parietal cortex?_____

Answer: Anterior cerebral artery

Flashcard 38: Saccular aneurysms of the _____ communicating artery may cause compression of the CN III

Answer: posterior

Flashcard 39: Which cerebral artery supplies the splenium of the corpus callosum?_____

Answer: Posterior cerebral artery

Flashcard 40: Saccular aneurysms of the _____ communicating artery may cause compression of the optic chiasm

Answer: anterior

Flashcard 41: Lung metastases have a high predilection for the brain due to the _____ of the cerebral vasculature

Answer: proximity

Flashcard 42: What artery supplies the medial pons? _____

Answer: Basilar artery (via paramedian pontine branches)

Flashcard 43: The lateral aspect of the pre-/post-central gyrus is supplied by the _____ artery

Answer: middle cerebral

Flashcard 44: Which cerebral artery supplies the language centers (Broca's area, Wernicke's area)? _____

Answer: Middle cerebral artery

Flashcard 45: ID Vessel: _____

Answer: Anterior cerebral artery

Flashcard 46: The _____ branches of the posterior cerebral artery supply the thalamus, splenium, parahippocampal gyrus, and fusiform gyrus

Answer: deep

Flashcard 47: Which main cerebral artery supplies the genu/posterior limb of the internal capsule?_____

Answer: Middle cerebral artery