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ALH 122 Chap 10

ALH 122 Chap 10 - Senders, SBC Portland

axon the 'tail' of the neuron cell. carries information away from the cell, towards another cell in order to communicate.
blood-brain barrier selective barrier in the blood vessels in the brain that attempts to keep toxic substances away from neurons
brainstem lower part of the brain, connects the brain with the spinal cord, responsible for your vital functions (heart rate, breathing, etc).
CNS central nervous system (brain and spinal cord)
cerebellum posterior part of the brain that maintains balance and physical actions that are 'memorized'
CSF cerebrospinal fluid
dendrite arms of the neuron that receive information from other neurons
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)
meninges protect membrane that surrounds your CNS, filled with CSF
myelin sheath cells that flatten out like pancakes and wrap around axons to protect them and help them communicate more efficiently with their neighbors
nerve a bundle of neurons that run together
PNS peripheral nervous system, all the nerves (neurons) in your body that are not part of the brain or the spinal cord
synapse the area where two neurons connect (and hold hands)
ventricles of the brain canals, or spaces, in the brain that contain CSF
sympathetic nervous system your fight or flight system
parasympathetic nervous system your rest and digest system
encephal/o brain
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)
mening/o meninges
my/o muscle
myel/o spinal cord
neur/o nerve
-algesia excessive sensitivity to pain
-algia pain
comat/o sleep
-esthesi feeling
-kinesia -kinetic -kinesis movement
-phasia speech
-plegia paralysis
-praxia action
-syncop/o to cut off
syncope to faint (cut off consciousness)
efferent moving away from
afferent moving towards
Created by: asenders