Blood supply of the brain II Flashcards
what are the branches of the internal carotid artery within the skull?
- ophthalmic 2. anterior and posterior communicating 3. anterior choroidal 4. anterior cerebral
what are the branches of the anterior cerebral artery?
- pericallosal 2. callosomarginal 3. recurrent artery of Heubner
the anterior choroidal artery supplies what areas?
- optic tract 2. choroid plexus 3. cerebral peduncles 4. posterior limb of internal capsule 5. globus pallidus 6. putamen 7. thalamus
occlusion of the anterior cerebral artery would cause deficits in which part(s) of the body? what specific branch would be responsible?
- motor and sensory in contralateral leg 2. callosomarginal
the recurrent artery of Heubner supplies what areas?
- portions of caudate nucleus 2. anterior putamen 3. globus pallidus 4. internal capsule - anterior limb
what artery(ies) supplies the posterior limb of the internal capsule?
- anterior choroidal 2. lenticulostriate 3. thalamoperforator (from posterior cerebral)
which artery supplies the anterior limb of the internal capsule?
recurrent artery of Heubner
the lenticulostriate arteries supply what areas?
- basal ganglia 2. internal capsule
Wernicke’s area is supplied by what artery?
inferior division of middle cerebral artery
where is the anterior limb of the internal capsule located in relation to the basal ganglia?
between caudate and putamen
where is the posterior limb of the internal capsule located in relation to the basal ganglia?
between thalamus and lentiform nucleus
an occlusion or stroke of the superior division of the middle cerebral arteries would affect which areas of the body?
arm, hand, face, motor speech
the posterior spinal artery supplies what area? a stroke in this area would cause deficits of what structures?
- dorsal region of caudal medulla 2. long sensory tracts
the anterior spinal artery supplies what area(s)? a stroke in this area would cause deficits of what structures?
- paramedian branches supply medial regions of caudal medulla 2. pyramids, sensory tracts (VTT, ML), hypoglossal nuclei
a stroke of the PICA would affect what part of the caudal medulla?
ALS
the PICA supplies what area(s)?
- inferior surface of cerebellum 2. choroid plexus 3. lateral regions of caudal medulla
the AICA supplies what area(s)?
- anterior, inferior surface of cerebellum 2. rostral medulla 3. caudal pons
the superior cerebellar artery supplies what area(s)?
- superior surface of cerebellum 2. caudal midbrain 3. rostral pons
the posterior cerebral artery supplies what areas?
- midbrain 2. most of thalamus 3. medial and inferior surface of occipital and temporal lobes 4. hippocampus 5. primary visual cortex (BA 17) via calcarine branch and parietooccipital branch
the posterior choroidal artery is a branch of what artery? what does it supply?
- posterior cerebral 2. thalamus and choroid plexus
what is the Brodmann’s area associated with the calcarine branch of the posterior cerebral artery?
17 - primary visual cortex