Term
| Name the 2 blood systems thru the brain |
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Definition
| Carotid and Vertebral Systems |
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Term
| Be able to draw the circle of willis |
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Definition
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Term
| Describe the Carotid System |
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Definition
| The common carotid artery goes to the aorta. Has the Internal and external carotid artery |
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Term
| Describe the Internal Carotid Artery |
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Definition
| Enters into the brain; participates in supplying blood to the brain. Subdivides into the middle and anterior cerebral artery |
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Term
| Describe the External Carotid Arter |
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Definition
| regulates the external aspect of the head (skull and face) |
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Term
| Describe the Vertebral System/Vertebral BAislar System |
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Definition
| participates by supplying the brainstem and parts of the cerebrum and spinal cord; enters the brain thru the posterior cerbral artery |
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Term
| The blood supply is provided thru which 3 arteries |
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Definition
| The Anterior cerbral arterie and the middle Cerebral Artery and the Posterior cerbral arteries |
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Term
| Describe the Anterior Cerebral Artery |
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Definition
| 2 Artieries right/left and middle cerebral arter (2 arteries right/left); originate in the internal carotid artery |
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Term
| Describe the Posterior Cerebral Artery |
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Definition
| 2 arteris right/left that originate in vertebral artery thru the basilary artery; divides in the posterior artery |
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Term
| Describe the convexity of cerebellum |
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Definition
| the blood supply is provided by the middle cerebral artery; most of the convexity of cerebellum hemispheres |
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Term
| How many anterior communicating artery |
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Definition
| There is one of this artery |
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Term
| How many posterior communicating arteries |
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Definition
| 2 that joins the carotid vertbral system and vertebral system |
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Term
| What does the ophthalmic Artery do |
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Definition
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Term
| What is the Circle of Willis |
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Definition
| Intercommunication of the blood supply by the joining of the anterior system and posterior system |
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Term
| Where is the pituitary gland situated |
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Definition
| Situated in the center of the circle of willis |
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Term
| What is above the pituitary gland |
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Definition
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Term
| What is the territory of the middle cerebral artery |
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Definition
| Is irrigating most of the convexity (80%) of the brain (hemispheres); frontal, parietal, temporal lobes; language areas of the brain |
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Term
| What is the territory fo the anterior cerebral artery |
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Definition
| It's territory is of the upper temporal and frontal and upper parietal lobe |
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Term
| What is the territory of the posterior cerebral artery |
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Definition
| It corresponeds to the basal (lower parts) of the temporal lobe and the occipital lobe |
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Term
| What are the Middle temporal subdivisions |
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Definition
| sending blood to most convexities of the hemispheres. are named according to the specific locatio of the brain |
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Term
| What are the perforating arteries |
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Definition
| AKA lenticular arteries that are branches that run deep into the brain and supplies blood to the convexity of the brain going to the basal ganglia |
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Term
| Where is the Anterior communicating artery located |
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Definition
| at the base of the frontal lobe |
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Term
| What is the Basal ganglia |
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Definition
| A collection of cells that are responsible for motor activity |
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Term
| What are the arteries of the circle of willis |
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Definition
| Anterior communicating artery (1), Anterior cerebral artery (2), Posterior communicating artery (2), Posterior Cerebral Artery (2) |
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Term
| What is the function of the cranial venous sinuses |
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Definition
| participates to remove the blood from the brain |
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Term
| Where is the superior sagittal sinus located |
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Definition
| It is situated btw the 2 hemispheres |
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Term
| What is a cerebravascular Accident or Stroke |
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Definition
| an abnormality in the normal circulation of blood in the brain; one of the major reason why people die |
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Term
| What are the 2 highes caused of adult deat |
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Definition
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Term
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Definition
| USA 500.000 new cases every year, 10% of deaths; 80% survive, 10year survival rate is about 50% |
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Term
| What are the stroke-risk factors |
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Definition
| Hypertension and age, cardiac disease, diabetes, contraceptives, obesity, smoking |
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Term
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Definition
| A type of cardiovascular dissease. affects the arteris leading to and within the brain. Occurs when a blood vessel carries oxygen and nutrients to the brain is either blocked by a clot or bursts. If brain cannot get blood (oxygen), it starts to die |
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Term
| How long will it take the brian to die after the lack of oxygen |
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Definition
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Term
| What are the 2 possiblities in a stroke type |
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Definition
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Term
| What are the 2 types of vascular disorders |
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Definition
| Occlusive(Ischemic) and Hemorrhagic |
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Term
| What are the two kinds of occlusive/ischemic vascular disorders |
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Definition
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Term
| What does Occlusive or Ischemic mean |
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Definition
| Insufficient blood supply to the brain |
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Term
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Definition
| Occlusion of a vessel from a clot attached to an overgrown vessel wall; the vessel becomes too narrow thus the blood cannont flow thru the vessel (common among Asians) |
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Term
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Definition
| Occlusion of a vessel by material floating in arterial system |
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Term
| Describe what Hemmorrhagic is |
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Definition
| A rupture of a vessel into the cerebral tissue |
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Term
| What are the types of a Hemorrhagic Disorder |
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Definition
| Subarachnoid hemmorage; intracerebral hemmorrage; arterviovenous malformations |
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Term
| What is a dubarachnoid hemmorrhage |
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Definition
| A berry aneurism is an enlargment of an artery bleeding in the subarachnoid space, the walls of the vessels stretch and become thinner and likely to rupture |
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Term
| What is an intracerebral hemmorrhage |
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Definition
| Inside the brain (from hypertension) that occurs at thae basal ganglia |
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Term
| What are Artervivenous malformations |
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Definition
| abnormal branching (small artery) occurs btw the posterior and middle cerebral arteries and btw anterior and middle cerebral arteries |
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Term
| I a persor born with or without malformations (artervivenous) |
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Definition
| Yes and one can live with malformation |
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Term
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Definition
| When part of the brain dies from lack or insufficient bloody supply (embolic stroke) |
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Term
| What kind of flow is the anterior cerebral artery |
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Definition
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Term
| What is Ischemic Penumbra |
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Definition
| gradient of necrotic death, apoptotic death and tissue survival |
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Term
| What happens to the Ischemic core during Ischemic Penumbra |
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Definition
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Term
| What is the diagnosis and treatment of Ischemic Penumbra |
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Definition
| Manifestations depend on the area of the brain, transient ischemic attack, initialy hypotonicity 4-48 hours later spasticity (cortical damage); initally fast recovery, anticoagulants; muscular actions, therapy dependent on loss of brain area |
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Term
| What is a transient Ischemic Attack |
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Definition
| occlusion that lasts around 24 hours |
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Term
| What are the two types of Ischemic Penumbra |
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Definition
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