Brain II
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| brain stem | show 🗑
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| Where are the nuclei of cranial nerves located? | show 🗑
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| show | L - Foramen magnum. F - Cardiovascular and respiratory centers. Motor and sensory crossover (decussation)
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| show | L - superior to medulla. F - Respiratory center
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| Midbrain | show 🗑
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| Diencephalon | show 🗑
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| show | superior to midbrain. Beneath corpus collosum. Analyze and relay info to cerebral hemisphere (except smell)
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| show | Inferior to thalamus but superior to midbrain. Nuclei control sleep/wake cycle, eating(anorexia), ANS connections with pituitary. "flight, fight, feed, fornicate"
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| Reticular activating system (center) | show 🗑
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| Cerebellum | show 🗑
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| basal ganglia | show 🗑
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| show | pigment in these neurons. Gross movement, nothing fine. Damaged = parkinson's diseae
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| Limbic system | show 🗑
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| show | bundles of nerves conduct info to brain and spinal cord.
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| show | sensory pathway. Origin-Spinal cord, Decussation- Medulla, Destination - (3,1,2)
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| show | Motor Pathway. Origin (Area 4). Decussation - medulla,Destination - spinal cord.... goes cortex t spinal cord without synapsing
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| show | Damage to either upper motor neuron(cell body in gray matter of cortex, synapse on lower neuron) or lower motor neuron (cell body in brainstem/spinal cordm "synapse" of skeletal muscle fibers)
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| Poliomyelitis | show 🗑
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| show | Flaccid paralysis, reflexes absent, muscle atrophy. Muscles supporting vertebral column causes a limp
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| Cerebrovascular Accident (CVA) | show 🗑
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| show | spastic paralysis. Reflexes intact. Babinski response, toes flare out, big toe up
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| Damage to branches of right middle cerebral artery which supplies precentral gyrus | show 🗑
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| show | affect lower limb
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