Question | Answer |
What structures make up the Basil Ganglia? | Corpus Striatum, Subthalamic Nucleus, Substantia Nigra, Caudate Nucleus, Putamen, Globus Palidas |
What is the Extrapyramidal System, and what does it do? | The Basal Ganglia, and the Cerebellum; acts to moderate voluntary movement |
What are hallmarks of a lesion in the Basal Ganglia? | Meaningless, unintentional movement occuring unexptedly; |
Name examples of diseases resulting from Basal Ganglia dysfunction | Huntington's Chorea, Parkinson's Disease, Tourette's |
What is athetosis? | Snakelike wringing of fingers and wrists |
Whats is Hemiballismus? | Sudden flailing of one arm |
What is the cause of Parkinson's? | Destruction of dopamine producing cells in the Substantia Nigra |
What is a hallmark of Parinkson's Disease? | Lewy Body inclusions |
Which portion of brain controls parasympathetic responses? | Anterior Hypothalamus |
What hormones does the Posterior Hypothalamus secrete? | ADH, Oxytocin |
What hormones does the Anterior Hypothalamus secrete? | Prolactin, LH, FSH, ACTH, TSH, Somatatrophic Hormone, |
What makes up the Anterior Circulation to the brain? | Right and left carotids feed into anterior cerebral arteries and middle cerebral arteries |
What makes up the Posterior Circulation to the brain? | Subclavian turns into rt and lt vertebral arteries, which then continue as the basilar artery |
What do the anterior cerebral arteries supply? | Medial and superior surface of brain, frontal pole |
What do the middle cerebral arteries supply? | Parietal lobe, temporal lobe, lateral surface of frontal lobe |
What does the posterior inferior cerebellar artery supply? | Central and undersurface of cerebellum, inferior surface of vermis, medulla |
What does the anterior inferior cerebellar artery supply? | anterior and inferior cerebellum, pons and upper medule |
What does the superior cerebellar artery supply? | Thalamus, midbrain, lateral and medial occipital lobe, infolateral and medial surfaces of temporal lobe |
What do the posterior cerebral arteries supply? | Midbrain, occipital lobe, posterior temporal lobe |