Term
What are the two arterial systems that supply the brain? |
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Definition
vertebral-basilar (20%) internal carotid (80%) |
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Term
What are the 3 cerebellar arteries? |
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Definition
posterior inferior cerebellar anterior inferior cerebellar superior cerebellar |
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Term
trace the arteries from the vertebral arteries to the anterior cerebral arteries. |
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Definition
vertebral arteries --> basilar arteries --> posterior cerebral arteries --> posterior communicating arterties --> (internal carotid --> middle cerebral arteries) --> anterior cerebral arteries (connected by anterior communicating arteries) |
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Term
What are the branches of the middle cerebral artery? |
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Definition
anterior temporal artery middle temproal artery temporo-occipital artery prefrontal artery precentral artery central artery postcentral artery parietal artery angular artery |
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Term
What are the branches of the anterior cerebral arteries? |
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Definition
pericallosal artery callosomarginal artery |
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Term
what are the terminal branches of the internal carotid artery? |
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Definition
anterior cerebral artery middle cerebral artery anterior choroidal artery posterior communicating artery |
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Term
What brain parts do the anterior cerebral arteries supply? |
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Definition
parts of: corpus callosum putamen head of caudate nucleus internal capsule |
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Term
What brain parts do the middle cerebral arteries supply? |
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Definition
parts of: lentiform nucleus caudate nucleus internal capsule |
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Term
What brain parts do the posterior cerebral arteries supply? |
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Definition
parts of: anterior and posterior thalamus globus pallidus subthalamus LGN and MGN choroid plexus of 3rd and lateral ventricles cerebral peduncles superior and inferior colliculi |
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Term
Which arteries contribute to the optic nerve? |
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Definition
The optic nerve carries the ophthalmic artery the anterior cerebral artery supplies the superior surface of the nerve |
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Term
Which arteries contribute to the optic chiasma? |
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Definition
anterior cerebral artery, anterior communicating artery, hypophyseal of internal carotid, posterior communicating |
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Term
Which arteries contribute to the optic tract? |
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Definition
anterior choroidal, posterior communicating |
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Term
Which arteries contribute to the LGB? |
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Definition
anterior choroidal, posterior choroidal, posterior cerebral |
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Term
Which arteries contribute to the optic radiations? |
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Definition
middle cerebral, posterior cerebral, anterior choroidal |
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Term
Which arteries contribute to the visual cortex? |
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Definition
mostly posterior cerebral, some of middle cerebral |
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Term
Name the veins of the head. |
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Definition
superior sagittal sinus inferior sagittal sinus great cerebral vein straight sinus transverse sinus sigmoid sinus internal jugular vein cavernous sinus superior/inferior petrosal sinus sigmoid/jugular vein |
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Term
What is the alternate route for venous blood in the head? |
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Definition
cavernous sinus pterygoid plexus external jugular vein |
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