Term
| Cerebral circulation is provided by what 4 vessels? |
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Definition
2 internal carotids
2 vertebrals |
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Term
| Where does the internal carotid arteries enter the cranium? |
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Definition
| Adjacent to the foramen lacerum thru the cavernous sinus or venous sinus which is adjacent to the hypophysis. |
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Term
| How many branches does the internal carotid artery have outside the cranium? |
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Definition
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Term
| Which arter does the vertebral artery branch off of? |
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Definition
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Term
| Thru which does the vertebral artery travel? |
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Definition
| Intervertebral(Transverse) foramina. |
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Term
| Thru which transverse foramina does the vertebral artery pass? |
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Definition
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Term
| Thru what opening does the vertebral artery enter the cranium? |
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Definition
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Term
| Name the branches off the internal carotid artery.(In Order) |
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Definition
Ophthalmic
Posterior communicating
Anterior choroidal
Anterior and middle cerebral |
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Term
| Which artery lies on top of the optic tract? |
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Definition
| Anterior choroidal artery |
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Term
| Which artery supplies blood to parts of the posterior limb of internal capsule? |
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Definition
| Anterior Choroidal Artery |
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Term
| Which artery connects with the posterior cerebral artery? |
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Definition
| Posterior Communicating Artery |
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Term
| Which artery dives between the cerebral hemispheres? |
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Definition
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Term
| Which artery runs between the frontal and temporal lobes? |
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Definition
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Term
| Anytime you hear an antery called a choroidal artery, that means that it is sending blood to what? |
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Definition
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Term
| What are the 2 terminal branches of the internal carotid artery? |
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Definition
Anterior Cerebral
Middle Cerebral |
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Term
| Name the 4 major branches of the Anterior cerebral artery |
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Definition
Orbital
Frontopolar
Callosomarginal
Pericallosal |
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Term
| Branch of the anterior cerebral artery located where you would expect your eyes to be. |
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Definition
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Term
| Branch of the anterior cerebral artery located in the frontal lobe |
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Definition
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Term
| Branch of the anterior cerebral artery that curves around the edge of the corpus callosum |
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Definition
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Term
| Branch of the anterior cerebral artery that runs parallel with the pericallosal branch but a bit further away from the corpus callosum |
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Definition
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Term
Which artery supplies the following:
Inferior portions of the frontal lobe
Medial portions of the frontal and parietal lobes
Rostral corpus callosum
Parts of the basal ganglia
Anterior limb of the internal capsule |
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Definition
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Term
| Suppose you had an anterior cerebral artery lesion. Would this be more likely to effect your LE or UE? |
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Definition
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Term
| Suppose you had a middle cerebral artery lesion. Would this be more likely to effect your LE or UE? |
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Definition
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Term
| The largest and most complex of the cerebral arteries. |
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Definition
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Term
| Cerebral artery that travels to the lateral aspect of the brain. |
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Definition
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Term
| Another term for basal ganglia |
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Definition
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Term
| Provides blood to the basal ganglia |
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Definition
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Term
| Branches of the middle cerebral artery that penetrate the anterior perforated substance. |
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Definition
| Striate or Lenticulostriate Arteries |
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Term
| Supply primarily basal ganglia structures and internal capsule (anterior and posterior limbs) |
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Definition
| Striate/Lenticulostriate Arteries |
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Term
| Occlusion of striate or lenticulostriate arteries can cause major deficits if what is affected? |
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Definition
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Term
| Which artery divides into superior and inferior trunks, each of which subdivides into multiple branches to supply most of convexity of cerebral hemisphere, including frontal, parietal, temporal, and occipital lobes. Includes inferior and middle frontal gyri, most of pre and post central gyri, superior and inferior parietal lobules, superior and middle temporal gyri, and rostral portions of the occipital lobe. |
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Definition
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Term
Anterior Choroidal Artery:
A. Branch of the Middle Cerebral Artery
B. Gives off orbital branches
C. Lies on the anterior side of the spinal cord
D. Supplies blood to the internal capsule |
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Definition
| D. Supplies blood to the internal capsule |
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Term
Blockage to the right internal carotid artery would LEAST likely cause damage to which of the following structures?
A. Basal Ganglia
B. Optic Tract
C. Pre-central Gyrus
D. Spinal Cord |
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Definition
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Term
| As the vertebral artery takes its tortuous route entering the cranium, it may become compromised by extension and rotation of the head in some patients. This is known as what? |
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Definition
| Vertebrobasilar Insufficiency |
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Term
| The vertebral arteries meet and join to form what artery? |
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Definition
|
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Term
| Name the 3 branches of the vertebral artery |
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Definition
Anterior Spinal Artery
Posterior Spinal Artery
Posterior Inferior Cerebellar Artery (PICA) |
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Term
| This branch of the vertebral artery travels along the anterior 2/3 of the spinal cord along the midline |
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Definition
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Term
| This branch of the vertebral artery is a paired artery that runs along the posterior aspect of the spinal cord. |
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Definition
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Term
| This branch of the vertebral artery branches off the vertebral and onto the posterior inferior cerebellum. |
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Definition
| PICA (Posterior Inferior Cerebellar Artery) |
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Term
| 2 arteries that unite to form a single descending midline vessel which supplies roughly the anterior 2/3 of the spinal cord. |
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Definition
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Term
| 2 arteries that remain paired and descend on the posterior surface of the spinal cord to supply the posterior 1/3 of the spinal cord. |
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Definition
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Term
| This artery supplies parts of the medulla and inferior aspect of the cerebellum. |
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Definition
| PICA (Posterior Inferior Cerebellar Artery) |
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Term
| What is the term for an occlusion of the PICA? |
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Definition
| Lateral Medullary Syndrome |
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Term
| Name the 3 cerebellar arteries. |
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Definition
Posterior Inferior Cerebellar Artery
Anterior Inferior Cerebellar Artery
Superior Cerebellar Artery |
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Term
| This artery splits into posterior cerebral arteries at the level of the midbrain. |
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Definition
|
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Term
| Name the 4 branches of the Basilar Artery |
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Definition
Anterior Inferior Cerebellar Artery
Labyrinthine Artery
Pontine Branches
Superior Cerebellar Artery |
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Term
| Supplies parts of the pons and anterior portions of the inferior cerebellum. |
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Definition
| Anterior Inferior Cerebellar Artery |
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Term
| This artery is small and goes into the bony labyrinthine of the skull to supply the inner ear. |
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Definition
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Term
| This branch off of the Basilar Artery supplies the pons |
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Definition
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Term
| This artery supplies the superior parts of the cerebellum, caudal midbrain, and rostral pons. |
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Definition
| Superior Cerebellar Artery |
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Term
| This artery supplies parts of the midbrain and thalamus, inferior surface of the temporal lobe, medial aspect of the occipital lobe (including the primary visual cortex) and splenium of corpus callosum. |
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Definition
| Posterior Cerebral Artery |
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Term
| Provides overlapping blood supply and anastomotic connections to protect the brain when part of its vascular supply is blocked. |
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Definition
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Term
| What all is the circle of willis composed of? |
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Definition
2 posterior cerebral arteries
2 posterior communicating arteries
2 internal carotid arteries
2 anterior cerebral arteries
1 anterior communicating artery |
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Term
| This artery joins the 2 anterior cerebral arteries. |
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Definition
| Anterior Communicating Artery |
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|
Term
| What is the terminal branch of the Basilar Artery? |
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Definition
| Posterior Cerebral Artery |
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Term
| Another term for a stroke or a cerebrovascular accident (CVA) |
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Definition
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Term
| Most ____ are caused by blocked blood flow (ischemic stroke) or to bleeding from a vessel (hemorrhagic stroke). |
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Definition
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Term
| A balloon-like swelling in the wall of an artery. May occur anywhere in the body. |
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Definition
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Term
| When this occurs in cerebral circulation it can cause pathology due to pressure on nearby structures or rupture. |
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Definition
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Term
| An abnormal, direct connection between arteries and veins without normal intervening capillary beds. It is a congenital malformation and is prone to bleeding resulting in neurological symptoms. |
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Definition
| Arteriovenous Malformation |
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