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18 Cards in this Set
- Front
- Back
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Important hypothalamus nuclei |
Mammillary bodies - paried anteriir nuclei that acts as olfactory relay station |
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Which part od brain is visceral control and regulating centre that is vital to homeostasis? |
Hypothalamus |
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Supraschiasmatic nucleus |
Hypothalamus Works as biological clock |
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Brain steam |
Midbrain Pons Medulla oblongata |
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Function of brain steam |
Autonomic behaviour necessary to survival |
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Mid brain |
Cereblar peduncles 2 ventrual bulges that contain pyramidal motor tracks From pillae that hold up cerebrum |
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Cerebral aqueduct |
Channel running through midbrain that connects 3rd and 4th ventricle |
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Pons |
Between midbrain and medulla oblongata 4th ventricle separate it from cerebellum Its nuclei play role ib reticurlar formation or normal rythm of breathing |
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Medulla oblongata |
Contain 4th ventricle Continuation of central canal of spinal cord Contain choroid plexus produce spinal fluid |
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Medulla oblongata structure |
Pyramids pyramidal tracts from motor cortex Decussation of the pyramids ( pyramidal tracks crossover to opposite side of the body) Olives - swellong - relay on stretch sensation from muscles Vestibular and cochelar nuclei maintain equillibrium |
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Functions of medulla oblongata |
Autonomic reflex centre - overlaps woth hypothalamus function, relays instruction via medulla |
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Cerebellum |
Little brain 11% of brain mass Provide coordinated movements of skeletal muscle Important in learning - motor/ emotional Balance |
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Cerebellar anatomy |
2 hemispheres connected by vermia 3 lobes anterior posterior and focculonodular 3 peduncles Thick grey matter cortex Thin white matter |
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How cerebellum is connected |
Ipsilateral - control same side of the body. |
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Hypothalamus is a part of |
Limbic system |
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Limbic system function |
Emotional responses for odours Hypothalamus plays role in psychosomatic illnesses Interact with prefrontal lobes - understanding that things are happening Concious of emotional richness |
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Whats also play role a role in memory? |
Hippocampus abd amygdaoid body |
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Reticular formation |
Keep brain alert / awake Damage : unconscious Activation system constantly sent info to cerebellum cortex |
