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Hypothalamus controls what?
Autonomic, emotional & center's control
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Autonomic control
BP, HR, RR, motility of G.I. tract. (Controlled by hypothalamus)
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Emotional Control
Pain, pleasure, rear, rage, sexual drive. (controlled by hypothalamus)
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Center's Control
Thermostat, hunger, thirst, sleep-wake, endocrine. (controlled by hypothalamus)
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ADH
Antidieuretic Hormone (water saving/releasing)
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Oxytocin
Related to birth/uterine contractions, direct hormone from pituitary gland
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Brain Stem
Consists of the midbrain, pons and medulla oblongata
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Midbrain
Peduncles, cerebral aqueduct, pigmented nuclei and corpora quadrigemina
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Peduncles
Cerebral and superior cerebellar (located in the midbrain)
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Cerebral Aqueduct
Connects 3rd & 4th ventricle (located in the midbrain)
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Pigmented Nuclei
Substantia Nigra, red nucleus (located in the midbrain)
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Corpora Quadrigemina
Superior colliculi, Inferior colliculi (located in the midbrain)
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Superior colliculi
Vision (apart of the corpora quadrigemina, located in the midbrain)
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Inferior Colliculi
Hearing (apart of the corpora quadrigemina, located in the midbrain)
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Pons
Conductions tracts, part of the respiratory center
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Conduction tracts
Longitudinal & transversal (located in the pons)
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Longitudinal Conduction Tracts
Deep projection fibers (located in the pons)
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Transversal Conduction Tracts
Superficial fibers: middle cerebellar peduncles (located in the pons)
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Medulla Oblongatta
Pyramids, decussation of pyramids, inferior cerebellar peduncles, olives, nuclei, centers
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Pyramids, decussation of pyramids
Located in the Medulla Oblongatta
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Inferior Cerebellar Peduncles
Located in the Medulla Oblongatta
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Olives
Nuclei located in the medulla oblongatta. Come in pairs - relay station for info to cerebellum
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Nuclei
Olives, vestibulocochlear, nucleus
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Nucleus
Gracilis, cuneatus (nuclei located in the medulla oblongatta)
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Centers
Primary & Secondary
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Primary Center
Cardiac, vasomotor, & respiratory (located in the medulla oblongatta)
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Secondary Center
Vomiting, hiccuping, swallowing, coughing, & sneezing (located in the Medulla Oblongatta)
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Limbic System
Emotional system containing the rhinencephalon & diencephalon region
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Rhinencephalon Region
Cingulate gyrus, parahypocampal gyrus, hippocampus, part of amygdala (apart of limbic system)
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Diencephalon Region
Hypothalamus & anterior thalamic nucleus
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Reticular Formation
Alertness/awareness - if damage occurs to reticular formation, coma proceeds
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Protection of the brain
Skull, meninges, CFS, blood-brain barrier
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Function of meninges
Cover/protect CNS, protect blood vessels, enclose venus sinuses, contain CSF, for partitions
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Parts of meninges
Dura mater, arachnoid mater, pia mater
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Dura Mater
Periosteal & meningeal layer
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