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Patho Ch 34_ Chronic and Degenerative Neurological Disorders
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Patho Ch 34_ Chronic and Degenerative Neurological Disorders
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Patho Ch 34: Chronic and DegenerativeNeurological Disorders
Neurons- ✅Conduct electrical signals
Glial cells-✅Phagocytose foreign matter and cellular debris
Neuron has 4 major parts-✅Dendrites •Cell body •Axon •Axon terminals
how many axons does a neuron have-✅1
what do axon terminals contain-✅neurotransmitters.
Synapse-✅Space between neurons where neurotransmitters move from
one neuron to another.
✅
Types of neurotransmitters- Acetylcholine • Norepinephrine • Serotonin •
Dopamine • Gamma amino butyric acid (GABA) • Glutamate
Dopamine- ✅behavior, movement, memory; CNS
Norepinephrine-✅Excitatory stress hormone
Glutamate-✅Excitatory signal in CNS
Myelin-✅Protective sheath around axon of some neurons; Acts like
insulation around electrical wire.
what is referred to as white matter- ✅myelin
✅
Epilepsy- Chronic neurological disorder with recurrent seizures ;
disrupted channel activation leading to repetitive synchronous firing of
neuronal action potentials
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