nervous system disease: Quick Facts

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magnetic resonance imaging (MRI)

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brain endothelial cells; blood-brain barrier

Nerves and ganglia of the human spinal cord

Diagram of a neuron showing the cell body with nucleus, branching dendrites, a long axon covered by myelin sheaths from Schwann cells, and nodes of Ranvier. Labels identify the nerve impulse path, axon terminals, and synapses, with an inset highlighting the myelin sheath and node structure.

MRI of a patient with syringomyelia

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myelitis fatal familial insomnia polio Alzheimer disease concussion epilepsy traumatic brain injury meningitis cephalic disorder neuroblastoma cardiovascular disease mental disorder digestive system disease respiratory disease blood disease eye disease renal system disease immune system disorder skin disease speech disorder

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