ALH 122 Chap 10 - Senders, SBC Portland
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| axon | the 'tail' of the neuron cell. carries information away from the cell, towards another cell in order to communicate.
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| blood-brain barrier | selective barrier in the blood vessels in the brain that attempts to keep toxic substances away from neurons
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| brainstem | lower part of the brain, connects the brain with the spinal cord, responsible for your vital functions (heart rate, breathing, etc).
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| CNS | central nervous system (brain and spinal cord)
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| cerebellum | posterior part of the brain that maintains balance and physical actions that are 'memorized'
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| CSF | cerebrospinal fluid
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| dendrite | arms of the neuron that receive information from other neurons
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| cerebral cortex | outer part of the brain, contains neuronal connections mostly unique to human life (self awareness, speech, logic, problem solving) (your fingers wrapped around your thumb)
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| meninges | protect membrane that surrounds your CNS, filled with CSF
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| myelin sheath | cells that flatten out like pancakes and wrap around axons to protect them and help them communicate more efficiently with their neighbors
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| nerve | a bundle of neurons that run together
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| PNS | peripheral nervous system, all the nerves (neurons) in your body that are not part of the brain or the spinal cord
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| synapse | the area where two neurons connect (and hold hands)
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| ventricles of the brain | canals, or spaces, in the brain that contain CSF
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| sympathetic nervous system | your fight or flight system
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| parasympathetic nervous system | your rest and digest system
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| encephal/o | brain
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| gli/o | glial cells (small cells that support neurons in the nervous system, hold neurons together like 'glue' and help create the blood-brain barrier)
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| mening/o | meninges
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| my/o | muscle
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| myel/o | spinal cord
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| neur/o | nerve
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| -algesia | excessive sensitivity to pain
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| -algia | pain
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| comat/o | sleep
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| -esthesi | feeling
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| -kinesia -kinetic -kinesis | movement
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| -phasia | speech
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| -plegia | paralysis
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| -praxia | action
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| -syncop/o | to cut off
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| syncope | to faint (cut off consciousness)
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| efferent | moving away from
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| afferent | moving towards
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