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Today's Terms
endorphins
Definition:
Naturally occurring molecules made up of amino acids. Endorphins attach to special receptors in the brain and spinal cord to inhibit pain signals.
Guillain-Barre (ge-YAH buh-RA) syndrome
Definition:
An inflammatory disorder in which the body's immune system attacks the nerves outside the brain and spinal cord (peripheral nerves) and, more rarely, parts of the brain itself.
Alexander disease
Definition:
Alexander disease is considered one of the leukodystrophies, a group of disorders where the primary abnormality is the inability to maintain the fatty covering (myelin) that insulates nerve fibers in the brain. Alexander disease is a rare disorder of the nervous system that usually begins during infancy or early childhood.
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