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23 Cards in this Set
- Front
- Back
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Astrocytes: function
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physical support
repair K+ metabolism help maintain blood brain barrier |
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Ependymal Cells: location, function
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inner lining of ventricles
makes CSF |
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Microglia: function
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macrophages of the brain
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Oligodendroglia: function
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central myelin production
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Schwann Cells
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peripheral myelin production
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Layers of Peripheral Nerve
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Endoneurium=around single fiber
Perineurium=surrounds fasicle of nerve fibers Epineurium=surrounds entire nerve |
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Location of NE synthesis?
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locus ceruleus
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Location of dopamine synthesis?
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ventral tegmentum and SNc
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Location of 5HT synthesis?
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raphe nucleus
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Location of ACh synthesis?
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Basal nucleus of Meynert
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Blood Brain Barrier components
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tight junctions between nonfenestrated capillary endothelial cells
basement membrane astrocyte processes |
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Hypothalamus Functions
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TAN HATS
T=thirst/water balance A=adenohypophysis via releasing factors N=neurohypophysis H=hunger/satiety A=autonomic regulation T=temp regulation S=sex urges |
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Control of Thirst/Water Balance
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supraoptic nucleus of hypothalamus
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Control of Hunger/Satiety
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Ventromedial Area of Hypothalamus destruction causes hyperphagia/obesity (grow ventrally/medially)
Lateral area of hypothalamus destruction causes anorexia/starvation |
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Control of Autonomic Regulation
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pArasympathetic = anterior hypothalamus
sympathetic = posterior hypothalamus |
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Circadian Rhythm
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suprachiasmatic nucleus
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Temperature Regulation
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heating = posterior hypothalamus
cooling = anterior hypothalamus |
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Control of sexual urges/rage
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septal nucleus (destruction causes rage)
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Thalamic Nuclei
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LGN=visual (lateral for light)
MGN=auditory (medial for music) VPL=body sensation VPM=facial sensation VA/VL=motor |
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Limbic System: componenets, function
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cingulate gyrus, hippocampus, fornix, mammillary bodies
feeding, fleeing, fighting, feeling, sex |
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Cerebellar Nerves
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Input=climbing, mossy
Output=purkinje |
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Basal Ganglia
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impt voluntary movements and making postural adjustments
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Frontal Lobe Functions
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Executive functions: planning, inhibition, concentration, orientation, language, abstractions, judgment, motor regulation, mood
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